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1、动词不定式InfinitiveInfinitive动词不定式是动词的一种非限定形式构成方式为：to+动词原形在句子中起名词，形容词，或者副词的作用同时也保留了动词的特征，可以带自己的宾语，状语或者宾语补足语等InfinitiveInfinitive动词不定式常用于have+the+抽象名词He has the goodness to do it He has the kindness to help you I did not have the heart to tel you the bad news.InfinitiveInfinitive有些名词后面常跟不定式作定语这类名词有：time
2、effort right reason way ambition InfinitiveInfinitivechance movement It is already time to start spring sowing Thank you for giving me the chance to make the speech.InfinitiveInfinitive有些动词和形容后面常常跟不定式，这些动词和形容词派生出来的名词后也可以用不定式abilityagreement promise wish decision plan InfinitiveInfinitiveclaim plan w
3、illingness inclination anxiety determination readiness impatienceInfinitiveInfinitive不定式可以修饰主语的名词，相当于一个定语从句，表明动作即将发生The man to come to our assistance is Peter.The future to greet us will be bright.The plans to be made are of vital importance.The lecture to follow will include the radical changes bro
4、ught about by the French Revolution.InfinitiveInfinitivethe first the second the last,the best the only thing等常常跟不定式作定语It is the only thing to do He is always the first to answer questionsHe would be the last to agree to the plan.InfinitiveInfinitive当go,spare，当作剩下的时候，可以作定语另外还有with/without+名词+不定式He h
5、ad five minutes to go before time was up They had only 100 dollars to spare.With much money to spend,the boy was spoiled.InfinitiveInfinitive不定式作前置定语not-to-be deprived rightsan easy-to-say sign a soon-to-be president a never-to-be remembered song InfinitiveInfinitive不定式作状语不定式作状语的情况很多表示目的：动作发生在谓语之后To
6、 save the child,he laid down his life To enjoy a grander sight,you must climb to greater height.InfinitiveInfinitive表示结果She tried to kill herself only to be saved.A few days later he came back only to find that the troops had left.He grew up to be a diplomat.What have I said to make you so angry?Inf
7、initiveInfinitive表示原因不定式作原因状语，一般放在句尾不定式常跟在一些形容词或者过去分词后说明产生这种情况的原因常用的这类词语有：happy eager delightedglad sorryInfinitiveInfinitivefortune annoyed right anxious interested ready cleverwrong InfinitiveInfinitive表示评述He is cruel to kill the dog Are you crazy to believe his words?What an ungrateful man he is
8、to abandon his family!InfinitiveInfinitive表明说话人的态度，在句中作独立成分To get back to my story,she declined the invitation.Sad to tell,he committed suicide To tell the truth,we can do it well.He came home very late last night,to be more exact,very early this morning,InfinitiveInfinitive常用的固定搭配：to be briefto sum
9、 up to put it plainly to be exact to say nothing of to crown all to be frank with you InfinitiveInfinitiveto tell you the truth to return to my subject to cut the matter short to be plain to give him his dueInfinitiveInfinitive表示条件，一般放在句首没否定不定式表示条件多放在居委谓语常含有will,shall,should,would,can 等To look at her,you would think her a young woman,but she is in fact 48 years old.