Grade 9 Grammar Lesson 8 Present perfect

What is the structure of present perfect tense?
When do we use the present perfect tense?
What is the difference between ‘for’ and ‘since’?
What is the difference between ‘ever’ and ‘never’?
What is the difference between ‘gone’ and ‘been’?

Grade 9 Grammar Lesson 8 Present perfect (1)

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