Read the theory. then put the verbs in brackets into the passive. ​

1 is taught

2 are held

3 will be announced

4 wasn't allowed

1) he may not read this book. 2) mary might forget to call you. 3) they could go to the fitness centre.

1) he usually visits his grandmother  every saturday  (not is)

2)  what time does she  work ?  

3) how often  do you  use your car ?