U13 Grammar: Present Perfect

have / camp

have / camped

has / camped

have / climbed

has / climb

has / climbed

have / tried

has / tried

have / try

has / explored

have / explored

has / explore

has / picked

have / pick

have / picked

have / record

have / recorded

has / recorded

has / looked

have / looked

have / look

has / kayaked

have / kayaked

has / kayak

I never have joined a climbing club.

I’ve never join a climbing club.

I’ve never joined a climbing club.

I have to tell you that this has never happen before.

I have to tell you that this have never happened before.

I have to tell you that this has never happened before.

Do you ever camped under the stars?

Have you ever camped under the stars?

Have you ever camp under the stars?

Has she ever climbed a tree?

Has she ever climb a tree?

Have she ever climbed a tree?

Did they ever explored a cave?

Have they ever explore a cave?

Have they ever explored a cave?

This is the most interesting place I have ever visited.

This is the most interesting place I have never visited.

This is the most interesting place I ever visited.

I really like Call of Juarez. It’s the best video game that I have never played.

I really like Call of Juarez. It’s the best video game that I have ever played.

I really like Call of Juarez. It’s the best video game that I ever played.

sleep outside in a tent

stay in a hotel

travel by plane

feed animals

play with animals

follow animals to see where they go

past finished time

future plans

life experience

questions

negative sentences

past time expressions

always

not once in your life

yesterday