Let's go through each sentence and fill in the correct verb forms based on the context provided:
We had a postcard from them two days ago. They said they were having a marvellous time.
While she was shopping this morning, she lost her money. She does not know how.
They have announced our flight. We have a problem. One of our suitcases is missing.
Who is speaking there? — I do not know.
He does not smoke. He is not smoking now. When he was at the office yesterday, he did not smoke, he was working hard.
When my sister was washing her skirt, she found a pound note in the pocket.
When did you learn German?
We are going home now because it is late.
Who are you waiting for?
Her car broke down yesterday while she was driving to work.
When and where did it happen?
She always wears nice clothes for work. Today she is wearing a nice blouse and a dark skirt.
What is she watching at the moment?
I saw my friend in the street yesterday, but he was running for a bus and he did not have time to speak to me.
What does your son do? — He is studying computer science.
Each sentence requires a different tense based on the time frame and nature of the action described. Here's a brief overview of the tenses used:
- Past Simple: Used for completed actions in the past (e.g., "had," "said," "lost," "broke").
- Past Continuous: Used for ongoing actions in the past that were interrupted or occurred simultaneously (e.g., "was shopping," "was driving").
- Present Simple: Used for routines or facts (e.g., "does not smoke," "wears").
- Present Continuous: Used for ongoing actions in the present (e.g., "is not smoking," "is wearing").
- Present Perfect: Used for actions that occurred at an indefinite time or have relevance to the present (e.g., "have announced").
- Present Simple Question Form: Used to inquire about routines or facts (e.g., "do you learn," "does your son do?").
