Present perfect and past perfect
Present perfect simple
negative sentences with still and yetb1
Present perfect: still and yetI still haven't bought a present for Ed. I keep forgetting!She still hasn't packed her case. She's going on holiday tonight!Emma still hasn't arrived. She's really late!I haven't finished my English essay yet. I'll do it at the weekend.Has Ed left yet?Still goes between the subject and haven't/hasn't.Subject + still + haven't/hasn't + past participleNegative (-)Present perfect with stillSubjectstillauxiliary verbpast participleShestillhasn'tarrived.Ihaven'tboughta present.Yet goes at the end of the sentence or question.Subject + haven't/hasn't + past participle + yet.Have/has + subject + past participle + yet?Negative (-)Present perfect with yetSubjectauxiliary verbpast participleyetShehasn'tarrivedyet.Wehaven'thadbreakfastQuestions (?)Present perfect with yetAuxiliary verbsubjectpast participleyetHassheleftyet?Havetheypackedtheir bagsRegular verbs have past participles which are the same as their past simple forms, ending -ed.visit → visited arrive → arrivedIrregular verbs have irregular past participles. Sometimes the past participle of an irregular verb is the same as the past simple form and sometimes it is different.have, had → had lose, lost → lostdo, did → done eat, ate → eatenWe use the present perfect with still in negative sentences to talk about actions that we expected to happen before now. Still looks back at the past.Emma still hasn't arrived. She said that she'd be here at six o'clock. (I expected Emma to arrive before now.)I still haven't bought a present for Ed. I keep forgetting!We use the present perfect with yet in negative sentences and questions to talk about actions that we expect will happen. Yet looks towards the future.Emma hasn't arrived yet. I'll tell you when she arrives. (I expect Emma to arrive in the future.)I haven't finished my English essay yet. I'll do it at the weekend.Has she left yet?Have you packed your bag yet?
Choose the correct answers to complete the sentences and questions.
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They're not ready .
Wait! I can't find my bag.
I don't believe it! You haven't finished that book!
Has it stopped raining?
No, not .
No, not .
Grammar contentsView all
Present perfect and past perfect
Quantifiers, possessives and demonstratives