Past Participle
Present Perfect +
Present Perfect -
Present Perfect ?
150

watch

drive

watched

driven

150

I /play/ football before.

I have played football before.

150

They /not study/ for the science exam.

They have not studied for the science exam.

150

you/walk/dog/?

Have you walked the dog?

250

become

study

become

studied

250

You /accept/ the scholarship.

You have accepted the scholarship.

250

My dad /not travel/ to the US before.

My dad hasn't traveled to the US before.

250

she/study/at that school?

Has she studied at that school?

300

win

read

won

read

300

They /study/ for the English exam.

They have studied for the English exam.

300

I /not watch/ the newest Netlflix series.

I haven't watched the newest Netflix series.

300

you/ever/be/San Francisco?

Have you ever been to San Francisco?

450

fly

cut

flown

cut 

450

My sister /do/her homework

My sister has done her homework.

450

Mike /not see/ the new cartoon.

Mike has not seen the new cartoon.

450

you /ever call/ for an ambulance?

Have you ever called for an ambulance?

600

write

go

written

gone

600

Neil's incredible! He /learn/ Spanish, Chinese, and French.

Neil's incredible! He has learned Spanish, Chinese and French.

600

Susan and Mark /never perform/ the dance.

Susan and Mark have never performed the dance.

600

she/ever/teach/English?

Has she ever taught English?

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