can't → wasn't/weren't able to - Modal auxiliaries
Setze die Sätze vom Simple Present ins Simple Past.

1 I can't speak French. (Simple Present)
I speak French. (Simple Past)

2 I hurt my leg. I can't play tennis. (Simple Present)
I hurt my leg. I play tennis. (Simple Past)

3 The Browns can't visit the London Eye (Simple Present).
The Browns visit the London Eye. (Simple Past)

4 We can't buy cola at this supermarket. (Simple Present)
We buy cola at this supermarket. (Simple Past)

5 Jake can't visit Wales this year. (Simple Present)
Jake visit Wales this year. (Simple Past)

6 Ben can't earn money with a holiday job. (Simple Present)
Ben earn money with a holiday job. (Simple Past)

7 Mum can't make us sandwiches today. (Simple Present)
Mum make us sandwiches today. (Simple Past)

8 Lily can't send you an email. (Simple Present)
Lily send you an email. (Simple Past)

9 Can't she send me a text message?
she send me a text message? (Simple Past)

10 Dad can't drive them in his taxi. (Simple Present)
Dad drive them in his taxi. (Simple Past)