Does he often have to go to the doctor?为什么要加the啊`have在这里什么意思

My cousin often disagrees with me ,( does he /doesn`t he)?-(Yes/No).We often have 选择My cousin often disagrees with me ,( does he /doesn`t he)?-(Yes/No).We often have different ideas how often does he have sports? What does he often have for lunch? how often does he have sports的答句是什么 he often does this可不可以用he often does it He often does some r___. 改错 Does he often does his homework Does he often ____ a taxi to work?No,he doesn't 1.Does he have a tennis racket?Yes,he does.No,hedoesn,t.麻烦下翻译 What does he have? how often does he have a P.E.lesson 怎么回答 I don't know .What time does he often get up?合为一句 Does he have a tennis ball. A,Yes ,he is B,No,he does C,Yes, He doesn't D,yes, he does, 并做注解 Tom knows little chinese,does he?__________.He often talks with me in chine这里填Yes,he does.还是No,he doesn't. Tony often goes to the park,__?A,does he B,does`nt he C,does Tony D,doesn`t Tony Does he often have to go to the doctor?为什么要加the啊`have在这里什么意思 He has no sister=He does‘t have any sisters 他没有姐妹.为什么要用any sisters不能用 He does't have sister 改错He hasn't often have lunch at home.我认为是将 hasn't 改为does't .可答案却是将often改为yet .如果用完成时,那么后面那个have应该是had 才对呀.因为要用过去分词嘛.请赐教.