【应掌握的句子】

1. How often do you exercise? 你(你们)多久锻炼一次身体?

How often + 助动词do(does或did) + 主语 + do sth.? 疑问词how often是问频率(多久

一次),(在这里助动词do(does或did) 是起帮助构成疑问的作用)与一般现在时或

一般过去时连用，回答一般是用表示频率的副词，如：once, twice, three times…,

sometimes, often, quite, often, never, every day, once a week , twice a month , three times a

month , three or four times a month 等。

翻译：“你们多久到工厂去一次?”“每星期两次。”

(“How often do you go to the factory?” “Twice a week. ”) “他们多长时间举办一次舞会?”“通常每两周举办一次。” (“How often do they have a dancing party?” “Usually, once every other week.”) “他多久去购一次物?”“一个月一次。”

(“How often does he go shopping?” “He goes shopping once a month.”)

2. “What do you usually do on weekends?” “ I usually play soccer.”

“周末你通常做什么?”“我通常踢足球。”

第一个do为助动词, 在这起帮助构成疑问的作用;而第二个do则是实义动词。

翻译： What do you usually do on weekends? I often go to the movies.

What does she usually do on weekends? She sometimes go hiking.

3. “What’s your favorite program?” “It’s Animal World.”

“你最喜欢什么节目?”“动物世界。”

4. As for homework , most students do homework every day .

as for...意思是“至于;关于”，常用于句首作状语，其后跟名词、代词或动词的-ing形式(即动名词)。如： As for him，I never want to see him here. 至于他，我永远不希望在这里见到。

As for the story，you'd better not believe it. 关于那故事，你最好不要相信。

翻译：至于我自己，我现在不想去。 (As for myself, I don’t want to go now. )

至于那个人，我什么都不知道。(As for the man, I know nothing about him.)