Present Tense to Simple Past
Infinitive to Past Participle
Present Perfect or Past Simple?
P.P. or Present Perfect Cont.
Present Perfect Cont. (+/-)
100

be

was

100

to be

been

100

'This is my house.' 'How long have you lived here?' 'I ________ (live) here since 1997.'

have lived

100

We ____ (lose) 3 football matches already this year, our results need to improve soon!

have lost

100

I ____ (study) all day.

have been studying

200

bring

brought

200

begin

begun

200

He lived in London for two years and then he ______ (go) to Edinburgh.

went

200

 I _____ (wait) for 1 hour for my friend to arrive and he is still not here yet!

have been waiting

200

I ____ (not/work) today.

have not been working

300

forbid

forbade

300

keep

kept

300

When I left school, I cut my hair and _____ (wear) it short ever since.

have worn

300

I ____ (think) hard recently about the problems in the company, and I think I ____ (find) a solution

have been thinking / have found

300

You _____ (not/eat) well recently.

have not been eating
400

learn

learnt

400

know

known

400

He _____ (not smoke) for two weeks. He is trying to give it up.

hasn't smoked

400

I  ____ (always admire) people who take risks.

have always admired

400

They ____ (not/watch) TV much recently.

have not been watching

500

ride

rode

500

show

shown

500

I ____ (not see) him for three years. I wonder where he is.

haven't seen

500

I ____ (know) my friend Helen for 6 years.

have known

500

You ___ (sleep) for twelve hours.

have been sleeping