Could have, would have, should have

Fill in the blank

100

My hair is a mess! I _____ (look) in the mirror before I went out.

My hair is a mess! I SHOULD'VE LOOKED in the mirror before I went out.

200

I decided to study, even though I _____ (go) to the beach with my friends.

I decided to study, even though I COULD'VE GONE to the beach with my friends.

300

I'm studying History at university, but if I'd got higher marks at school, I _____ (choose) Vet Science instead.

I'm studying History at university, but if I'd got higher marks at school, I WOULD'VE CHOSEN Vet Science instead.

400

Dean _____ (drive) home after the party last night. He drank too much alcohol.

Dean SHOULDN'T HAVE DRIVEN home after the party last night. He drank too much alcohol.

500

If I'd known you were asleep, I _____ (call) you so early this morning.

If I'd known you were asleep, I WOULDN'T HAVE CALLED you so early this morning.

Which modal verb?

100

Events that were possible in the past but didn't happen.

could have

200

A good idea to do something in the past, but you didn't do it.

should have

300

Imagining something in the past that didn't happen (positive form).

would have

400

A bad idea to do something in the past, but you did it.

shouldn't have

500

Imagining something in the past that didn't happen (negative form).

wouldn't have

Irregular past participles

100

1) do 2) meet

1) done 2) met

200

1) go 2) drink

1) gone 2) drunk

300

1) eat 2) begin 3) come

1) eaten 2) begun 3) come

400

1) throw 2) wear 3) wake

1) thrown 2) worn 3) woken

500

1) freeze 2) fly 3) keep

1) frozen 2) flown 3) kept