高中英语新高考-语法：专题(提升篇)——名词性从句,情态动词,主谓一致

高中英语新高考-语法：专题(提升篇)——名词性从句,情态动词,主谓一致 情态动词 1）表示能力 I can swim. 2) 表示推测（也许，大概，肯定，必然，估计） May/might-can/could –should(估计应该，上下文语境)-will(必然是)—must (be)肯定是 It is 12. Tom should be home now. I can’t make sure… Must—cannot 3)表示义务，责任。。。。 Should, ought to Shall许诺；警告；命令；按规定办事；征求对方的意见 You shall have a bike if you … You shall be locked home if you…. -Shall Tom come in? -Sure. (三个人) Will-习惯；倾向;愿意：Accidents will happen. He will sit in the back of the room. 4）语气 Should竟然 I was just getting off the bus when who should I see but my old school friend Pat!我刚要下车时竟然看到了我的老同学派特！ •"Where's Mikey?" "How should I know? He's hardly ever in the office these days."“米基在哪里?”“我怎么会知道?他这些日子几乎都不在办公室。” •"I bought her some flowers to say thank you." "I should think so too."“我买了些花给她表示感谢。” “当然应该那样。” Must偏偏 对过去表示推测 +have done 1）It must have rained last night. –It can’t have rained last night. He could/might/can/may have gone to U.S.可能做过 2)虚拟 Could have done本来能够做却没有做 Might have done 主谓一致 主语后有“with，along with，together with，includi