Измените следующие предложения, поставив глагол в форму past indefinite. 1. i can speak english. 2. you must fulfill the task. 3. you may answer the question. the train is to come at 9 o’clock

1.     I could speak English when I was only 5.

2.    You had to fulfill the task 10 minutes ago.

3.    You might answer the question last week.

4     The train was to come at 9 o’clock yesterday