小学情态动词用法精编版.pptVIP

表示动作与状态的词 主要考点 动词分类 时态 动词种类 实义动词 系动词 情态动词 助动词 jump, run be, feel can, must, may… do, does, did, be, have, has 1.---when did your uncle___in shanghai---the day before yesterdayA arrive B get C reach2.As we know, some people are good at________but bad at give backA lending B keeping C borrowing D using3.The small child was not old enough to_________himselfA have B wear C dress D put on 5. My brother and I are _____ TV. A watch B look C read D see6.I ask Danny to________me my book, but he brough me his bookA take B fetch C carry D match 7.-the radio___________that there will be another heavy rain in Guangdong._Too bad. It has rained for the whole weekA tells B talks C says D speaks8.It is nice of you to _________so much time showing me around your schoolA spend B cost C pay D take 一、情态动词 can, could must have to should will(would) may 二、特征 1.有一定词义，但不能单独作谓语，必须和行为动词或系动词连用，构成谓语。 2.无人称和数的变化（have to例外：用于第三人称单数时用has to） He has to stay here. 3.后面接动词原形 She should stay at home.  三、用法 1.can, could (1)表示能力，“能，会” Can you play basketball? (2)表示怀疑、猜测，常用于否定句和疑问句中 He can’t be in classroom. （3）可以 Can I help you? (4)could 是can的过去式，可以表示过去的能力 I could swim when I was seven years old. (5)can开头的一般疑问句 以can和can’t回答could开头的一般疑问句 以could和couldn’t回答 2.must (1)“必须 应该” (2)表推测“一定” (3)否定句中，mustn’t表示禁止，“不允许” Must开头的疑问句，肯定回答用must，否定回答用needn’t（=don’t have to） “不需要，不必” 3.have to “have to+动词原形”：不得不做某事 注意：have to用于第三人称单数时用has to 1． May I stop my car here????? No, you_____. A. cant B. mustnt C. neednt D. dont have to 2. Must we clean the house now??? No, you _______. A. neednt B. may not C. mustnt D. cant 4. You ________ return the book now. You can keep it next week if you like. A. cant B. mustnt C. neednt D. may not 5. Johnny, you _______ play with the knife, you _______ hurt yourself. A. wont...cant B. mustnt...may? C. shouldnt, must D. cant...shouldnt 6. -Would you