Past Participle
Present Perfect +
Present Perfect Negative
Present Perfect ?
Conjugation
100

see - 

seen

100

She/be/Africa.

She's/She has been to Africa.

100

They/make/a mistake.

They haven't/have not made a mistake.

100

you/ever/call/for an ambulance

Have you ever called for an ambulance?

100

we/ride/a bike

We have ridden a bike.

200
have-
had
200

They/read/ that book/twice.

They've/They have read that book twice.

200

I/buy/anything.

I haven't/have not bought anything.

200

they/ever/find/any money

Have they ever found any money?

200

Teddy/travel/to the beach

Teddy has traveled to the beach.

300
go - 
gone
300

He/see/the Great Lakes

He's/He has seen The Great Lakes.

300

He/study/for the test/yet

He hasn't/has not studied for the test yet.

300

how long/he/be/a teacher?

How long has he been a teacher?

300
the family/lose/the game

The family has lost the game.

400
buy - 
bought
400

We/watch/already/the film

We've/We have already watched the film.

400

Our mom/find/the keys/yet

Our mom hasn't/has not found the keys yet.

400

How long/they/live/here

How long have they lived here?

400

they/watch/the news

They have watched the news.

500

visit

visited

500

It/go/with/the wind.

It's/It has gone with the wind.

500

The dog/eat/the bone.

The dog hasn't/has not eaten the bone.

500

she/be/here/before

Has she been here before?

500

I/do/the homework

I have done the homework.

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