Some auxiliaries when used in certain ways make their negative and interrogative
according to the rule for ordinary verbs, i.e. withdo.
Sometimes either form is possible.
Make the sentences (a) negative and (b)interrogative, using do/does/did.
1They have eggs for breakfast.
2He needs a new coat.
3He used to sell fruit.
4They have to work hard.
5She does the housework.
6He needs more money.
7He had a row with his boss.
8She had a heart attack.
9Her hair needed cutting.
10He does his homeworkafter supper.
11She has a singing lesson every week.
12She had to make a speech.
13He does his best.
14He has to get up at six every day.
15The children have dinner at school.
16She dared him to climb it.
17You did it on purpose.
18He has his piano tuned regularly, (see119)
19He dares to say that!
20They had a good time.
21The drink did him good.
22 My watch needs cleaning.
23 He had an accident.
24 You had your house painted.
25 She used to make her own clothes.
26 You do the exercises.
27 He had difficulty (in) getting a job.
28 He dared to interrupt the president, did he? (Omit finaldid he?)