1、be worth doing 值得做 2、be busy doing 忙着做 3、tooto do 太 而不能做 4、so+adj./adv. as to do 如以致于做 5、It takes sb. some time to do sth. 花某人时间做某事 6、sb.spends some time doing sth. 某人...
21.13 带to 的情态动词 带to 的情态动词有四个:ought to, have to, used to, be to, 如加上have got to ,(=must), be able to,为六个。它们的疑问,否定形式应予以注意: Do they have to pay their bill before t...
21.11 will和would 注意: 1)would like; Would like to do = want to 想要,为固定搭配。 Would you like to go with me? 2)Will you? Would you like? 表示肯定含义的请求劝说时,疑问句中一般用some, 而不是an...