(2) 對知識性的問題
如： Who invented the computer?
① Who knows?
?、?It is beyond me.
③ * It is at the tip of my tongue…
3.拒絕幫助對方
如：Can you help me with the math problem?
(1) You are driving me mad.
(2) I don’t want to be interrupted before I finish my term paper.
(3) * I’d like to, but I’ve got an appointment with a professor at two o’clock.
(4) * I wish I could, but I afraid that I’ve got to rush now.
（5）*I’m afraid I just ran out of time.
4. 拒絕對方的提議或要求
(1) 拒絕對方的提議
如：Shall we go to the seaside for the weekend?
?、?I’d like to, but my paper is due next Monday.
?、?I’ll go if you really want me to, but I want to have a good rest at home.
(2) 拒絕對方的要求
如： Try not to make mistakes in your exam.
?、?* Well, easier said than done.
否定句型在這類題型中，最重要的線索是抓住否定性的關鍵詞。值得注意的是這類題一般都不是以明顯的否定方式出現(xiàn)的，所以需要考生多加注意。包含否定性的關鍵有：
否定副詞和形容詞：hardly, rarely, little, seldom, few, never等。
否定代詞和連詞：nothing, nobody, neither, nor, none等。
否定前綴和否定后綴：im-, un-, dis-, non-, -less等。
如： Who invented the computer?
① Who knows?
?、?It is beyond me.
③ * It is at the tip of my tongue…
3.拒絕幫助對方
如：Can you help me with the math problem?
(1) You are driving me mad.
(2) I don’t want to be interrupted before I finish my term paper.
(3) * I’d like to, but I’ve got an appointment with a professor at two o’clock.
(4) * I wish I could, but I afraid that I’ve got to rush now.
（5）*I’m afraid I just ran out of time.
4. 拒絕對方的提議或要求
(1) 拒絕對方的提議
如：Shall we go to the seaside for the weekend?
?、?I’d like to, but my paper is due next Monday.
?、?I’ll go if you really want me to, but I want to have a good rest at home.
(2) 拒絕對方的要求
如： Try not to make mistakes in your exam.
?、?* Well, easier said than done.
否定句型在這類題型中，最重要的線索是抓住否定性的關鍵詞。值得注意的是這類題一般都不是以明顯的否定方式出現(xiàn)的，所以需要考生多加注意。包含否定性的關鍵有：
否定副詞和形容詞：hardly, rarely, little, seldom, few, never等。
否定代詞和連詞：nothing, nobody, neither, nor, none等。
否定前綴和否定后綴：im-, un-, dis-, non-, -less等。