2. I could swim when I was six
3. I will be able to drive a car when I am eighteen
4. I can ride a bicycle now when I am (выбираете возраст по смыслу)
5. My mother can speak English very well now and she is (выбираете возраст по смыслу)
6. My mother was able to swim when she was five years old
7. My mother could drive a car wnen she was twenty years old
8. My mother could ride a bicycle when she was ten years old