Complete the sentences with used to / didn’t use to / did … use to, or the present simple + usually.
example: i used to behave (behave) badly at school, but now i study hard.
1 he (not / be) so quiet. he must be tired today.
2 (you / work) in the union street office before you came here?
3 when we were children, we often (go) swimming in the river.
4 i (go) to the cinema on wednesdays, as it is cheaper on that day.
5 i (not / like) jason much, but now we get on really well.
6 i (be) a sales manager, but then i trained to be a designer.

1. He didn't use to be so quiet. He must be tired today.
Explanation: The use of "didn't use to" indicates a change in behavior. Previously, he was not quiet, but now he is quiet, possibly due to tiredness.

2. Did you use to work in the Union Street office before you came here?
Explanation: The use of "did you use to" indicates a past habit or action. It is asking whether the person had a previous job at the Union Street office before their current job.

3. When we were children, we often used to go swimming in the river.
Explanation: The use of "used to" indicates a past habit or action. It describes the activity of going swimming in the river that occurred frequently during childhood.

4. I go to the cinema on Wednesdays, as it is cheaper on that day.
Explanation: The use of the present simple + usually indicates a regular or habitual action. In this case, the person goes to the cinema regularly on Wednesdays because it is cheaper on that day.

5. I didn't use to like Jason much, but now we get on really well.
Explanation: The use of "didn't use to" indicates a change in feelings or opinions. In the past, the person did not like Jason, but currently, they have a good relationship and get along well.

6. I used to be a sales manager, but then I trained to be a designer.
Explanation: The use of "used to" indicates a previous occupation or role. The person previously worked as a sales manager but decided to undergo training to become a designer.