What is the structure of the present perfect? Example: I have studied English for 1 year., Subject + auxiliary verb (have/has) + past participle., Subject + verb in past, What auxiliary verb is used to form the present perfect?, have/has , do / does / did, In which cases is the present perfect used?, from past to present, repeated activities and unusual activities., daily activities, routines and habits., Answer this question in the negative: Have you done your homework?, No, I haven't., No, I haven't done., Answer this question in the affirmative: Have you done your homework?, Yes, I have., Yes, I has., What do we use when the action is complete? I have finished my homework .... ., already, yet, What do we use with negative forms? I haven't finished my homework ... ., already, yet, What do we use to show when the action began? I have studied English ... 2025., since, for, What do we use to show when long the activity has taken place? I have studied English ... 2 years., since, for, Question: How long .... you ... English?, have / studied, has / studied.

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