There is a mistake in each sentence. 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 introduce mr. brown to you? 4,my sister can to play a few musical instruments. 5.some years ago i didn`t can speak english.

1. actors may learn a lot of dialogues by heart. actors can learn a lot of dialogues by heart.2. your glass is empty. must i refill it? your glass is empty? shall i refill it? 3. would i introduce mr. brown to you? may i introduce mr. brown to you? 4. my sister can to play a few musical instruments. my sister can play a few musical instruments. 5. some years ago i didn't can speak english. some years ago i couldn't speak english.

An ideal teacher should be very educational person i think. he or she should be kind and intelligent. to my mind an ideal teacher should believe that all students are good and smart and he should help everybody who needs any help.