Give the correct form of the word in bracket:
1. My mother .... make any kinds of cakes. (can/ not)
2. Despite the serious injury, she..... walk to the nearest phone box to call the police about the accident. (be able to)
3. Sorry, I..... come to the meeting on time because the traffic was terrible. (can/ not)
4. We. ....visit our grandparents because we will have three days off next week. (be able to)
5. I..... walk even when I was three. (can/ not)