Grammar Verb Tense: Present Perfect Negative - Regular Verbs   In order to form the Present Perfect Negative, just put the adverb 'not' between the auxiliary 'to have' and the main verb as follows.   Examples:   Singular I haven´t answered your question so far, so, please wait for my answer You haven´t apologized yet, we´re waiting for your apologies He hasn´t arrived so far and we´re late. Should we keep on waiting for him? She hasn´t celebrated her wedding anniversaries for the last 5 years It hasn´t rained since last year. We´re facing a terrible drought   Plural We haven´t charged interest because we don´t think it´s fair You haven´t followed my instructions. It´s for your safety and you should follow them They haven´t hijacked the car since there was no one in it when they got it   Regular Contraction Singular Singular I have not I haven´t You have not You haven´t He has not He hasn´t She has not She hasn´t It has not It hasn´t Plural Plural We have not We haven´t You have not You haven´t They have not They haven´t   Now, the conjugations for practicing:   Regular Verbs ending in -e, -d, -k, -t, -l       Verb: To Live Verb: To Need Verb: To Work Verb: To Want Verb: To Call Singular Singular Singular Singular Singular I haven´t lived I haven´t needed I haven´t worked I haven´t wanted I haven´t called You haven´t lived You haven´t needed You haven´t worked You haven´t wanted You haven´t called He hasn´t lived He hasn´t needed He hasn´t worked He hasn´t wanted He hasn´t called She hasn´t lived She hasn´t needed She hasn´t worked She hasn´t wanted She hasn´t called It hasn´t lived It hasn´t needed It hasn´t worked It hasn´t wanted It hasn´t called Plural Plural Plural Plural Plural We haven´t lived We haven´t needed We haven´t worked We haven´t wanted We haven´t called You haven´t lived You haven´t needed You haven´t worked You haven´t wanted You haven´t called They haven´t lived They haven´t needed They haven´t worked They haven´t wanted They haven´t called           Verbs ending in  -n, -m, -r, -gh , -w         Verb: To Open Verb: To Dream Verb: To Answer Verb: To Laugh Verb: To Allow Singular Singular Singular Singular Singular I haven´t opened I haven´t dreamed I haven´t answered I haven´t laughed I haven´t allowed You haven´t opened You haven´t dreamed You haven´t answered You haven´t laughed You haven´t allowed He hasn´t opened He hasn´t dreamed He hasn´t answered He hasn´t laughed He hasn´t allowed She hasn´t opened She hasn´t dreamed She hasn´t answered She hasn´t laughed She hasn´t allowed It hasn´t opened It hasn´t dreamed It hasn´t answered It hasn´t laughed It hasn´t allowed Plural Plural Plural Plural Plural We haven´t opened We haven´t dreamed We haven´t answered We haven´t laughed We haven´t allowed You haven´t opened You haven´t dreamed You haven´t answered You haven´t laughed You haven´t allowed They haven´t opened They haven´t dreamed They haven´t answered They haven´t laughed They haven´t allowed           Verbs ending in "-y" preceded by consonant (consonants are: b, c, d, f, g etc...)   Verb: To Study Verb: To Cry Verb: To Bury Verb: To Deny Verb: To Apply Singular Singular Singular Singular Singular I haven´t studied I haven´t cried I haven´t buried I haven´t denied I haven´t applied You haven´t studied You haven´t cried You haven´t buried You haven´t denied You haven´t applied He hasn´t studied He hasn´t cried He hasn´t buried He hasn´t denied He hasn´t applied She hasn´t studied She hasn´t cried She hasn´t buried She hasn´t denied She hasn´t applied It hasn´t studied It hasn´t cried It hasn´t buried It hasn´t denied It hasn´t applied Plural Plural Plural Plural Plural We haven´t studied We haven´t cried We haven´t buried We haven´t denied We haven´t applied You haven´t studied You haven´t cried You haven´t buried You haven´t denied You haven´t applied They haven´t studied They haven´t cried They haven´t buried They haven´t denied They haven´t applied           Verbs ending in "-y" preceded by vowel (vowels are a, e, i, o, u)     Verb: To Play Verb: To Enjoy Verb: To Betray Verb: To Destroy Verb: To Stay Singular Singular Singular Singular Singular I haven´t played I haven´t enjoyed I haven´t betrayed I haven´t destroyed I haven´t stayed You haven´t played You haven´t enjoyed You haven´t betrayed You haven´t destroyed You haven´t stayed He hasn´t played He hasn´t enjoyed He hasn´t betrayed He hasn´t destroyed He hasn´t stayed She hasn´t played She hasn´t enjoyed She hasn´t betrayed She hasn´t destroyed She hasn´t stayed It hasn´t played It hasn´t enjoyed It hasn´t betrayed It hasn´t destroyed It hasn´t stayed Plural Plural Plural Plural Plural We haven´t played We haven´t enjoyed We haven´t betrayed We haven´t destroyed We haven´t stayed You haven´t played You haven´t enjoyed You haven´t betrayed You haven´t destroyed You haven´t stayed They haven´t played They haven´t enjoyed They haven´t betrayed They haven´t destroyed They haven´t stayed           Verbs ending in "-ch"         Verb: To Watch Verb: To Attach Verb: To March Verb: To Reach Verb: To Search Singular Singular Singular Singular Singular I haven´t watched I haven´t attached I haven´t marched I haven´t reached I haven´t searched You haven´t watched You haven´t attached You haven´t marched You haven´t reached You haven´t searched He hasn´t watched He hasn´t attached He hasn´t marched He hasn´t reached He hasn´t searched She hasn´t watched She hasn´t attached She hasn´t marched She hasn´t reached She hasn´t searched It hasn´t watched It hasn´t attached It hasn´t marched It hasn´t reached It hasn´t searched Plural Plural Plural Plural Plural We haven´t watched We haven´t attached We haven´t marched We haven´t reached We haven´t searched You haven´t watched You haven´t attached You haven´t marched You haven´t reached You haven´t searched They haven´t watched They haven´t attached They haven´t marched They haven´t reached They haven´t searched           Verbs ending in "-ss"         Verb: To Pass Verb: To Discuss Verb: To Dismiss Verb: To Miss Verb: To Express Singular Singular Singular Singular Singular I haven´t passed I haven´t discussed I haven´t dismissed I haven´t missed I haven´t expressed You haven´t passed You haven´t discussed You haven´t dismissed You haven´t missed You haven´t expressed He hasn´t passed He hasn´t discussed He hasn´t dismissed He hasn´t missed He hasn´t expressed She hasn´t passed She hasn´t discussed She hasn´t dismissed She hasn´t missed She hasn´t expressed It hasn´t passed It hasn´t discussed It hasn´t dismissed It hasn´t missed It hasn´t expressed Plural Plural Plural Plural Plural We haven´t passed We haven´t discussed We haven´t dismissed We haven´t missed We haven´t expressed You haven´t passed You haven´t discussed You haven´t dismissed You haven´t missed You haven´t expressed They haven´t passed They haven´t discussed They haven´t dismissed They haven´t missed They haven´t expressed           Verbs ending in "-sh"         Verb: To Clash Verb: To Crush Verb: To Establish Verb: To Finish Verb: To Smash Singular Singular Singular Singular Singular I haven´t clashed I haven´t crushed I haven´t established I haven´t finished I haven´t smashed You haven´t clashed You haven´t crushed You haven´t established You haven´t finished You haven´t smashed He hasn´t clashed He hasn´t crushed He hasn´t established He hasn´t finished He hasn´t smashed She hasn´t clashed She hasn´t crushed She hasn´t established She hasn´t finished She hasn´t smashed It hasn´t clashed It hasn´t crushed It hasn´t established It hasn´t finished It hasn´t smashed Plural Plural Plural Plural Plural We haven´t clashed We haven´t crushed We haven´t established We haven´t finished We haven´t smashed You haven´t clashed You haven´t crushed You haven´t established You haven´t finished You haven´t smashed They haven´t clashed They haven´t crushed They haven´t established They haven´t finished They haven´t smashed           Verbs ending in "-x"         Verb: To Fix         Singular         I haven´t fixed         You haven´t fixed         He hasn´t fixed         She hasn´t fixed         It hasn´t fixed         Plural         We haven´t fixed         You haven´t fixed         They haven´t fixed           Globalized English School English in English   2009 - 2010 Globalized English School  - All rights reserved