4 Correct the underlined words. a When I was young I can't ride a bike very well. b I can't speak English before I came to this school. c I have to go home early yesterday because I felt ill. d It was a holiday yesterday so we don't have to go to school. e It was raining last weekend so we can't go to the beach.

Here are the corrected sentences: a. When I was young I could ride a bike very well. b. I couldn't speak English before I came to this school. c. I had to go home early yesterday because I felt ill. d. It was a holiday yesterday so we didn't have to go to school. e. It was raining last weekend so we couldn't go to the beach.