1、一般现在时含义表示经常性或习惯性的动作或存在的状态用法often, sometimes, usually, always.on Saturdays/Sundays.(在一般现在时中，如果主语是第三人称单数，动词要用三单形式)动词的三单形式变化规则一般情况下直接加slike-likesmake-makes以s, x, ch, sh结尾的加esteach-teacheswatch-watcheswash-washes以o结尾的，加esdo-doesgo-goes以辅音字母加y结尾, 把y变i再加esstudy-studies不规则变化have-hasbe-is现在进行时含义表示现在进行的动作或存在
2、的状态用法now，look, listen等提示词结构be 动词+动词的现在分词He is sleeping now.现在分词变化规则（口诀：直加 双写去哑e）直接加ingeat-eating以不发音的e结尾，去e加ingdance-dancingwrite-writinghike-hikinguse-usingchase-chasing双写结尾辅音字母，再加ingrun-runningswim-swimmingshop-shopping一般将来时含义将来某一时段的动作或状态(将来时间的提示词)Next week, next Tuesday., next.Tomorrow.TonightThi
3、s evening/afternoon结构Will+动词原形I will be late.be going to+动词原形（be动词三种形式：is/am/are）计划、安排和打算要做的事Im going to see a film tomorrow.一般过去时含义过去发生的动作或存在的状态过去时间提示词last weekendlast night last Mondayyesterdaythe day before yesterday. years ago. months ago动词过去式变化规则（一般过去时中，动词要用过去式）规则变化一般情况下直接加edstay-stayedplay-playedwatch-watchedvisit-visited不发音e结尾的，直接加d,taste-tastedlike-likedlive-lived以辅音字母加ycry-criedstudy-studied双写辅音字母plan-plannedstop-stopped不规则变化drink-isamdosleepseereadhavegetarehurtgoridecantakeeatsitbuythinkrunfallwakefeelgive
