4-Complete the sentences with the past simple and past perfect form of the verbs in brackets.
2- Kate (be) very cold because she (not take) her coat.
3- The printer (not work) because he (not turn it on).
4- I (not can) take a photo of the crocodile because I (forget) to charge the battery.
5- They (never fly) before and they (be) very nervous.
6- When he (arrive) at the pool he realized he (not bring) his swimsuit.
7- She (not be) hungry because she (just have) dinner.
8- She (have to) pay again because she (lose) her ticket.
9- The waitress (run) after him because he (not pay) the bill.
10- The fire engine (arrive) after the men (put out) the fire.
11- They (can) speak French because they (learn) it at school.
12- She (be) tired because she (be) in the queue all night.