Thanks to the great teachers at EC San Francisco for this lesson.
If you hadn't come to San Francisco, where would you have studied?
If you hadn't done your homework, what would your teacher have said to you?
If you had passed that exam, what would you have done to celebrate?
Today's lesson is from Danica Steyn, teacher at EC Cape Town English school
'It must have been a UFO.'
Imagine that you go to your friend's house, but when you knock on her door there is no answer. You then notice that her car is not there, so the conclusion you come to is that she must have gone out.
We use the simple past tense for actions that began and finished in the past. We do not have to say exactly when. The important thing is that it happened and is not happening now.
'I saw it'
The past participle is used with the following tenses: