Affirmative
I / study / French/ .
I have studied French.
She / not / see / Gossip Girl
She hasn't seen Gossip Girl.
I / meet / you before/ ?
Have I met you before?
drive/a car/she/ever/?
Has she ever driven a car?
you / eat Thai food before/ ?
Have you eaten Thai food before?
We/ be/ here/ since Monday/.
We have been here since Monday.
He / not / meet / my cousin
He hasn't met your cousin.
done / what / Marta / ?
What has Marta done?
your classmates/ever/cheat/ ?
Have your classmates ever cheated?
who / we / forget to invite/ ?
You/ know / David / for ten years/.
You have known David for ten years.
I / not / know / him for three months
I haven't known him for three months.
You / read / Pride and Prejudice/ ?
Have you read Pried and Prejudice?
you/find/ever/money/on the street/ ?
Have you ever found money on the street?
he / not / forget his books
He hasn't forgotten his books.
She / pass/ the exam/ .
She has passed the exam.
They / not / be / in London for six months
They haven't been in London for six months.
They / live / here as long as we have
Have they lived here as long as we have?
tennis/ ever/ your / sister/ play/ ?
Has your sister ever played tennis?
she / steal all the chocolate
She has stolen all the chocolate!
I / have / breakfast/ in the morning/ .
I have had breakfast in the morning.
She / not / leave / her phone in a taxi
She hasn't left her phone in a taxi.
He / meet / your family yet/ ?
Has he met your family yet?
How many / this / Bob / month / read / books / ?
How many books has Bob read this month?
I / explain it well/ ?
Have I explained it well?