Correct the mistakes
1)Actors may learn a lot of dialogues by heart.
2)Your glass is empty. Must i refill it ?
3)Would i introduse mr.Brown to you ?
4)My sister can play a few musical instruments.
5)Some years ago i didnt an speak English.

1) Actors can learn a lot of dialogues by heart. 2) Your glass is empty. Shall I refill it? 3) May I introduce mr. Brown to you? 4) My sister can play several musical instruments. 5) A few years ago I couldn't speak English.