区别时态：(一般现在时、一般过去时、一般将来时)

区别时态：（一）项目一般现在时一般将来时一般过去时概念a表示经常发生的动作或存在的状态以“现在”为起点，谈将要发生的动作或状态表示过去经常或偶然发生的动作或存在的状态b表示客观存在的真理。时间状语1.often,usually,sometimes；tomorrow;later(on);soon;intwodays;thedayaftertomorrow;nextMonday/week/year…yesterdaymorningthedaybeforeyesterdaylastnight;justnow;twodaysagointhepast;oneday2.everyday/morning结构do/does1.am/is/aregoingtodo…2.will/shalldo…did例句HewatchesTVeveryday.Hedoesn’twatchTV.DoeshewatchTV?Yes,hedoes./No,hedoesn’t.Heisgoingtoswimlater.Heisn’tgoingtoswimlater.Ishegoingtoswim?Yes,heis.Willheswimlater?No,hewon’t.Hewas5lastyear.Hewasn’t4lastyear.Washe5lastyear?Yes,hewas.No,hewasn’t.Howoldwashelastyear？备注主语人称分：单三人称非单三人称willnot=won’t;shallnot=shan’t1.实义动词do2.be(was,were)3.Therebe句型动词的单三形式变化规则：1.一般情况下,直接加-s:works,comes2.以s,x,sh,ch或o结尾的,加-es:watches,does3.以辅音字母+y时,变y为i加-es:flies,studies4.以元音字母+y结尾的,直接加-s:plays5.特殊变化:have-has,be-isWhatishegongtodolater?=Whatwillhedolater?动词过去式的规则变化：1.一般情况下，直接加--edplay—played2.以e结尾的，只加—dlove--loved3.辅音+y,变y为i加—edcarry—carried4.双写加—edstop;drop;trip;plan;rob;rub可以单独使用；也可以用作宾语从句其他几种表达方式有：(1)am/is/aretodosth.(2)am/is/areabouttodosth(3)come,go,arrive,leave,fly,move,takeoff(起飞)的现在进行时表示一般将来时态(4)Thereis/aregoingtobe….Therewillbe….