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初中英语四种时态详细讲解(适合初一学生)一般现在时:表示经常发生构成:先看主语主语是三单,动词+s主语非三单,动词用原形。TheyoftenwatchTV.HeoftenwatchesTV.(3)变化:问句:主语前+do/does,动词用原形;否定:主语后+don’t/doesn’t,动词用原形。DotheyoftenwatchTV?Theydon’toftenwatchTV.DoesheoftenwatchTV?Hedoesn’toftenwatchTV.现在进行时:表示现在正在发生。句中常有now,look,listen等构成:主语+be+doingSheiswatchingTVnow.变化问句:提前be(am,is,are)IsshewatchingTVnow?否定:be后+notSheisn’twatchingTVnow.加ing的方法:一般直接+,去不发音的e加,闭音节双写+。一般过去时:表示过去的动作或状态,句中常有yesterday,last等过去的时间。构成:动作:主语+动词的过去式状态:主语+was/were(句中没实意动词)ShewatchedTVlastnight.Shewasherelastnight.变化:问句:主语前+did,动词用原形DidshewatchTVlastnight?Wassheherelastnight?否定:主语后+didn’t,动词用原形。Shedidn’twatchTVlastnight.Shewasn’twatchTVlastnight.(4)过去式:一般+ed;e结尾+d;辅音+y的,去y+ied;闭音节双写+ed;不规则的120页。一般将来时:表示:将来,句中有表示将来的时间:tomorrow、next、soon,intwodays等构成A:主语+will+do(任何人称)B:主语+shall+do(仅第一人称I,we)C:主语+begoingto+do如:A:ShewillwatchTVthisevening.B:WeshallwatchTVthisevening.C:SheisgoingtowatchTVthisevening.变化问句:提前will/shall/beA:WillshewatchTVthis…?B:ShallwewatchTV…?C:Isshegoingtowatch…?否定:在will/shall/be后+notA:Shewon’twatchTV…B:Weshallnotwatch…shan’tC:Sheisn’tgoingtowatch…Thereisameetingnextweek.Therewasameetingyesterday.Therewillbeameetingnext…=Thereisgoingtobeameetingnext…