Fill in the gaps
Spoiler
most verbs: say-saying, look-looking, read-reading, think-thinking, do-doing;

verbs ending with E: have - having, take - taking, live-living;

verbs ending with IE: lie-lying, die-dying;

short verbs with a stressed vowel: get-getting, sit-sitting, put-putting

verbs with two syllables, the second syllable is stressed: begin-beginning, forget-forgetting

1. The sky was grey, it was [ ] to rain.

2. My mother was [ ] dinner, when I came in.

3. Yesterday at 6 p.m. I was [ ] my homework.

4. Mr Travers was [ ] shower, when the phone rang.

5. While we were [ ] yesterday, the weather changed.

6. My friend was [ ] in the river when he saw a crocodile.

7. Sand was [ ] a book when someone knocked at the door.

8. They were [ ] in silence waiting for the train to arrive.

9. He was [ ]in bed at 10 o'clock yesterday evening.