1)

A- W

B- R

C- R

D- W

2)

a) swam

b)drank, was

c)went, bought

d)saw

e)got

f)read

g)was/ate

3)

Buy- bought

Drive-drove

Come-came

Write-wrote

Do-did

Go-went

Fly-flew

Bring- brought

Sleep-slept

Be-was/were

4)

b)They didn’t  take

c) she didn’t  see

d) didn’t  buy

e) didn’t  write

5) Utilizamos o simples past quando queremos informar um acontecimento do passado.