Переделать эти предложения в вопросительные и отрицательные.
1.She can spell the noun correctly.
2. You may take your exercise-book.
3. He can write this in transcription.
4. Everybody must go to the laboratory today.
5. Mary can help us with the taperecorder.

1.Can she spell...?She can't spell...2.May you take..?You mayn't...3.Can he write...?He can't write...4.Must everybody go to...?Everybody mustn't go to...5.Can Mary help....?Mary can't help...