English Grammar in Use

Present Perfect Simple ( I have done )
1. Have/Has + Past Participle
  1. He has lost his key
Present Perfect and Past Simple ( I have done and I did )
1. The Present Perfect is a present tense. It always tell us something about now.
  1. Tom has lost his key
2. The Past Simple tell us only about the past.
  1. Tom lost his key
I will and I´m going to
1. We use will when we decide to do something at the time of speaking
  1. That´s a great idea. We will invite lots of people
2. We use (be) going to when we have already decided to do something.
  1. We are going to invite lots of people.
Past Continuos ( I was doing )
1. The Past Continuos is used to say that somebody was in the middle of doing something at a certain time.
  1. This time last year I was living in Brazil
Past Continuos ( I was doing ) and Past Simple ( I did )
1. We use Past Continuos in the middle of the action
  1. I was walking home when I met David
2. We use Past Simple when the action is complete
  1. I walked home after the party last night
Past Perfect ( I had done )
1. Had + Past Participle
  1. Paul was not here, He had gone home.

Resource summary

	Created by Gaizka Olave almost 10 years ago