2020湖南专升本英语语法之情态动词怎么学?
情态动词主要考点就是情态动词后面要跟动词原形,此外就是大家要记住都有哪些情态动词。只要大家把主要的情态动词的用法记住,这个语法点基本上就掌握了。以下是关于情态动词语法点的全部内容。
情态动词+完成时
情态动词用来表示能力、允许、许诺、可能、劝告、意愿等概念或态度。情态动词无人称变化,在句子中和动词原形一起构成谓语。根据这几年的考试看,着重测验情态动词接完成时的用法。
一、must+现在完成时表示对已发生的事情的一种肯定的猜测。
1、Mr.Green _____ my letter,otherwise he would have replied before now.
A.must have received B.must have failed to receive C.must receive D.must fail to receive
(答案:B)
2、I believe he _____ an accident,otherwise he would have arrived on time.
A.would have had B.could have had C.should have had D.must have had(答案为D)
二、should(ought to)+完成时表示应该做的事情而没有做,否定式表示不该做的事情做了。含有对过去的动作的责备、批评。
1、They have done things they ought _____.
A.not to do B.not to be done C.not to have done D.not having done(答案为C)
2、I’m sorry I couldn’t get in touch with him before he left,I _____ him earlier.
A.had a telephoneB.have phoned C.should have phonedD.should be phoned(答案为C)
三、could+完成时表示能做的事情而没有做。表示对过去能做而未做的事情感到惋惜,遗憾。
1、He could have joined us,but he didn’t get our invitation in time.他本来能够参加我们的,但是他没有收到我们的请贴。
2、I could have passed,but I did not study hard enough.我本来能及格的,但是没有努力学习。
希望结合以上老师举出的具体的例子,结合自己的对情态动词的理解,好好的把这个知识点揣摩一下。小编也希望这些知识点都能帮助大家顺利的实现自己的升本愿望!
情态动词+完成时
情态动词用来表示能力、允许、许诺、可能、劝告、意愿等概念或态度。情态动词无人称变化,在句子中和动词原形一起构成谓语。根据这几年的考试看,着重测验情态动词接完成时的用法。
一、must+现在完成时表示对已发生的事情的一种肯定的猜测。
1、Mr.Green _____ my letter,otherwise he would have replied before now.
A.must have received B.must have failed to receive C.must receive D.must fail to receive
(答案:B)
2、I believe he _____ an accident,otherwise he would have arrived on time.
A.would have had B.could have had C.should have had D.must have had(答案为D)
二、should(ought to)+完成时表示应该做的事情而没有做,否定式表示不该做的事情做了。含有对过去的动作的责备、批评。
1、They have done things they ought _____.
A.not to do B.not to be done C.not to have done D.not having done(答案为C)
2、I’m sorry I couldn’t get in touch with him before he left,I _____ him earlier.
A.had a telephoneB.have phoned C.should have phonedD.should be phoned(答案为C)
三、could+完成时表示能做的事情而没有做。表示对过去能做而未做的事情感到惋惜,遗憾。
1、He could have joined us,but he didn’t get our invitation in time.他本来能够参加我们的,但是他没有收到我们的请贴。
2、I could have passed,but I did not study hard enough.我本来能及格的,但是没有努力学习。
希望结合以上老师举出的具体的例子,结合自己的对情态动词的理解,好好的把这个知识点揣摩一下。小编也希望这些知识点都能帮助大家顺利的实现自己的升本愿望!
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