2012届高考英语总复习 (2)may/might have done may/ might have done表示推测过去某事“也许”发生了, may比 might表示的可能性在说话人看来稍大些。例如 I can't find my keys. I may/might have left them at the school yesterday. (3) could have done在肯定句型中,往往表示委婉的批评。本 可以做什么而没做;有时也用作猜测。 You could have told us earlier. Tom could have taken the dictionary. MYKONGLONG
2012届高考英语总复习 (2)may/might have done may/might have done 表示推测过去某事“也许”发生了， may 比 might 表示的可能性在说话人看来稍大些。例如： I can't find my keys.I may/might have left them at the school yesterday. (3)could have done 在肯定句型中，往往表示委婉的批评。本 可以做什么而没做；有时也用作猜测。 You could have told us earlier. Tom could have taken the dictionary
2012届高考英语总复习 (4)ought to/should have done Nought not to/shouldnt have done ought to/should have done hought not to/shouldnt have done 用于对已发生的情况表示“责备”、“不满”,分别表示 “本应该…”和“本不应该…”。例如: I)With all the work finished I should have gone to the party last night 2)You ought not to have made fun of him. He is not the one you laugh at but learn from. MYKONGLONG
2012届高考英语总复习 (4)ought to/should have done和ought not to/shouldn't have done ought to/should have done和ought not to/shouldn't have done 用于对已发生的情况表示“责备” 、 “不满” ，分别表示 “本应该……”和“本不应该……”。例如： 1)With all the work finished，I should have gone to the party last night. 2)You ought not to have made fun of him.He is not the one you laugh at but learn from
2012届高考英语总复习 (5needn't have done needn' t have done表示过去做了某事,但没有做的必要,意 为“本没必要……”。例如: Yon needn't have waken me up i dont have to go to work today 注:表示推测过去某动作发生的可能性时,就表示的可能性 程度而言,must最大, could其次,may更次之,miht最 小。例如: -I wonder how Tom knew about your past -He must/could/may/might have heard of it from Mary. MYKONGLONG
2012届高考英语总复习 (5)needn't have done needn't have done 表示过去做了某事，但没有做的必要，意 为“本没必要……”。例如： Yon needn't have waken me up; I don't have to go to work today. 注：表示推测过去某动作发生的可能性时，就表示的可能性 程度而言，must 最大，could 其次，may 更次之，might 最 小。例如： —I wonder how Tom knew about your past. —He must/could/may/might have heard of it from Mary
2012届高考英语总复习 7·情态动词+动词进行式 情态动词+行为动词进行式(即情态动词+be+ doing),表示 推测或评论某动作现在是否正在进行。例如: ()He must be playing basketball in the room. (2 )She may be staying at home. MYKONGLONG
2012届高考英语总复习 7．情态动词＋动词进行式 情态动词＋行为动词进行式(即情态动词＋be＋doing)，表示 推测或评论某动作现在是否正在进行。例如： (1)He must be playing basketball in the room. (2)She may be staying at home
2012届高考英语总复习 、几个情态动词使用的特定范围 1·表示推测时,can不能用在肯定句中但 could可以); may和 might不能用在疑问句中°例如: Peter may come with us tonight but he isn t very sure yet. Can it be a sunny day tomorrow? 2·作为情态动词,ned.dare不能用在肯定句中(条件状 语从句除外)。肯定句中,须把它们用作实义动词,后接带 to的不定式。例如: MYKONGLONG
2012届高考英语总复习 二、几个情态动词使用的特定范围 1．表示推测时，can 不能用在肯定句中(但could 可以)； may 和 might 不能用在疑问句中。例如： Peter may come with us tonight，but he isn‘t very sure yet. Can it be a sunny day tomorrow? 2．作为情态动词，need 和 dare 不能用在肯定句中(条件状 语从句除外)。肯定句中，须把它们用作实义动词，后接带 to 的不定式。例如：