附Ⅰ——动词的四种形式 A、动三单的变法
1) ―辅+y‖结尾, 变y为i加es 2) ―以s; sh; ch; x; o结尾, 加es 3)直接加s 但have----has B、现在分词的变法 1)去e加ing (e不发音)
2)双写加ing (―辅元辅‖结尾且重读,y;w列外) 3)直接加ing
写出下列动词的现在分词
1.see_______2.come ________3.stop_______ 4.open _______5.listen_______6.drop ______ 7.prefer________8.fix_______ 9.relax ______ 10.die _______11.tie _______12.lie _______ C、动词的过去式和过去分词
（一）不规则变化（见课本不规则变化表P255） （二）规则变化
1) ―辅+y‖结尾，变y为i加ed 2)双写加ed 3)直接加ed
写出下列动词的过去式和过去分词 1.drop ______ _______2.stop ______ ______ 3.prefer ________ _________
4.study ______ ______5.try ______ ____ 6.fix _____ ______ 7.relax ______ ______
附Ⅱ——情态动词（can/ could; may/ might; must; should）+动原 1.must(必须)——needn’t(不必)
may(可以)——mustn’t(不许；不准；不可以) 2.注意几个题：
1)—May I go with you? —No, you _________. 2)—Must I turn off the light now? —Yes, you ______/ No, you _________ 附Ⅲ——动词不定式与动名词 A、动词不定式作宾补
1)tell / ask / want sb to do ______________ 否定式：tell/ask/want sb not to do __________ ____________________ 2)省to不定式作宾补 即：(l, m, n, 3h, 2看, 1f) sb do
l—let; m—make; n—notice; 3h—hear, have, help; 2看—see, watch; 1f—feel 但注意：1)help sb (to) do (to可省、可不省) 2)在改作被动语态时省去的to应还原 eg. Someone heard him sing in the room. He was heard to sing in the room. B、动词不定式与动名词的区别
1.(hope; learn; want=would like; decide) to do
?bebusy(in)??spend...(in)?2.(enjoy; finish; keep; mind; practise) doing ???feellike??? ?stop/keep/prevent ...from??todo:停下来去做（另一件事）??stopakeacontributionto?m??doingdoing:停止做（正在做的事）???to ?preferdoing??todo:忘记做??（未做）?fun3.?forget??havedoing:忘记已做了??（已做）???havesomeproblemdo(动作结束）s?? ?see,watch,to4.(hear)记住做sbdo:??（未做）???remworthemberdoing(动作在进行）?be??doing:记住已做了??（已做）?
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