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常用情态动词的用法 — had better, should, ought to |
作者:frog 文章来源:本站原创 点击数: 更新时间:2010-4-6 |
三者都可用来提建议,had better, should, ought to语气由弱到强。否定形式分别为:had better not, should not, ought not to。具体用法如下:[文章来自:考试与评价 http://www.trgroup.com.cn/te `k="7(Ysy`]5/i6] (1) had better意为“最好”,后接动词原形。这里had不表示过去时,不可以用have或has替换。变疑问句时,把had直接提到句首,不可填加助动词。例如:[文章来自:考试与评价 http://www.trgroup.com.cn/te 2
.m4v=G'Hu70@vf] You'd better put on your coat. It's cold outside. 你最好穿上外套,外面很冷。[文章来自:考试与评价 http://www.trgroup.com.cn/te 'F =-S,`~B5#e M] We'd better not be late next time. 我们下次最好别晚。[文章来自:考试与评价 http://www.trgroup.com.cn/te Mbyg_&\TtulP:ms_}Q] Had I better start the work at once? 我最好立刻开始工作吗?[文章来自:考试与评价 http://www.trgroup.com.cn/te @%u@
%}5".L,acRb] (2) should有以下几个用法:[文章来自:考试与评价 http://www.trgroup.com.cn/te %S|O}&Hc G5Kc$|�Dh] 表示“应当,应该”;表示推测或可能,“按理说应该”;should (not) have done是虚拟语气,意为“本(不)该做某事”;表示说话人的某种感情色彩,如惊奇、愤怒、遗憾、意外等。例如:[文章来自:考试与评价 http://www.trgroup.com.cn/te j#OwQGs�{.m|],&YSE] Students should follow teachers' advice. 学生应该听从老师的建议。[文章来自:考试与评价 http://www.trgroup.com.cn/te ;Fl~]8!"~$x@T/XC] Mary should be here by now. 按理说玛丽现在该到了。[文章来自:考试与评价 http://www.trgroup.com.cn/te !)|{o58q A[u
JWYuw] Tom should have finished his homework yesterday. 汤姆本应该昨天就完成作业。[文章来自:考试与评价 http://www.trgroup.com.cn/te C^&=wUef-e S
q9] I shouldn't have gone with her. 我本不应该和她一起去。[文章来自:考试与评价 http://www.trgroup.com.cn/te KIn7:0AX@?x ;hDb.] A gentleman should not be so rude. 一个绅士不应该这么粗鲁。[文章来自:考试与评价 http://www.trgroup.com.cn/te cmoF�*vc?1KBD] It's strange that it should be so cold today. 真奇怪,今天竟会这么冷。[文章来自:考试与评价 http://www.trgroup.com.cn/te ^_*vC�:5#8r+qkT] 另外,should like / love to do sth.表示愿意,想要,常用于口语中,相当于would like / love to do sth.。例如:[文章来自:考试与评价 http://www.trgroup.com.cn/te r�4;=I=r\(aS=sMDj] I should like to know how you are getting on with your study at college. 我想知道你在大学里的学习情况。[文章来自:考试与评价 http://www.trgroup.com.cn/te "S2{@ NATZ|,hOPd] (3) ought to应该。比should的语气强,多数情况下两者可以通用。但在表示责任、义务等情况时多用ought to。另外,ought (not) to have done也表示虚拟语气,意为“本(不)该做某事”。例如:[文章来自:考试与评价 http://www.trgroup.com.cn/te :{~iUm,+_07F] He ought to visit his sick father in hospital more often. 他应该更多地看望生病住院的父亲。[文章来自:考试与评价 http://www.trgroup.com.cn/te sSa {;;PN6Xh)kvw] Oughtn't we to give him a chance to have another try? 难道我们不该给他一次机会再试一试吗?[文章来自:考试与评价 http://www.trgroup.com.cn/te 7+N_R[eL!;zL9!v] We ought to have started the work earlier. 我们本该早一点开始工作。[文章来自:考试与评价 http://www.trgroup.com.cn/te }MNbUY"+ e!f`r3!|] You oughtn't to have quarreled with your sister. 你本不应该和你姐姐吵架。
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