【正文】
Do you know China well?你很了解中國嗎? Did your father call you yesterday?你爸爸昨天給你打電話了嗎? 4. 助動詞 have 與過去分詞構(gòu)成各種時態(tài)。 分類 常見例詞 表示狀態(tài)的系動詞 be 表示持續(xù)性的系動詞 keep, remain, stay, stand 表示感官的系動詞 taste, smell, feel, look, sound 表示變化的系動詞 bee, turn, go, grow, get be 助動詞 be主要用來表示各種時態(tài)和被動語態(tài)。t C. must D. mustn39。廣東中考 )—Yuan Longping, a famous Chinese scientist, is now doing research on sea rice. —If farmers start planting rice in salty water. China39。t D. mustn39。t B. can39。江蘇泰州中考 )To keep children away from danger during the ing summer holiday, parents give them some safety tips. A. should B. may C. could D. might 4. (2022t D. needn39。t B. can39。t 2. (2022內(nèi)蒙古通遼中考 )Where are you going for your summer holidays? I go to Dalian. I haven39。t have to.”。 “ Must...?”句式的肯定回答是“ Yes, ...must.”,否定回答是“ No, ...needn39。 4.“ May...?”句式的肯定回答是“ Yes, ...can.”,否定回答是“ No, ...can39。 3. have to有人稱、數(shù)和時態(tài)的變化,表示受客觀條件限 制,意為“不得不”。 2. mustn39。t) Lisa must be at home. (推測現(xiàn)在狀況 ) You must be kidding. (推測現(xiàn)在正在發(fā)生 ) They must have seen the movie.(推測過去狀況 ) 原形與過去式 用法 例句 shall/ should “ Shall...? ” 用于第一人稱表示提建議或請求 Shall we ask the teacher for help? should用于各種人稱,強調(diào)義務(wù)或責任 He shouldn39。re not supposed to those who failed. —No one can be a winner all the time. A. turn out B. laugh at C. spread out D. share with 考點三 情態(tài)動詞 原形與 過去式 用法 例句 can/ could 表示能力 (= be able to) Tom can swim. = Tom is able to swim. (疑問句中 )表示請求 Can I help you? Could you give us a hand? (否定句、疑問句中 )表示可能性 Can the news be true? The boy can39。s work till tomorrow. A. put off B. turn down C. give away D. look up 6. (2022m afraid not. You can39。ll my cigarette(香煙 ) a