1、动词的时态1.I often(help)my mother do housework.2.She(visit)her grandparents yesterday.3.We(have)a meeting tomorrow.4.Tom(clean)his bedroom now.5.He(read)a book when the storm came.6.He(work)here for over twenty years.help visited will have is cleaning was reading has worked 一般现在时一般过去时一般将来时现在进行时过去进行时现在完成
2、时一般时态进行时态完成时态时态基本结构时间标志词常见用法及例句一般现在时eg：I often do sports.1.表示现阶段经常性习惯性的动作，常与频度副词连用。2.表示客观真理 客观存在或自然现象。eg：The earth moves around the sun.注意：宾语从句中，即使主句是一般过去式，从句也要用一般现在时。Ill tell him the news when he comes back.You can get good grades if you study hard.Be careful when you cross the road.eg：The train le
3、aves at six tomorrow.4.表示按计划或安排好将要发生的动作，用一般现在时表将来。但仅限于start,begin,leave,go,come,arrive 等。3.用在以if，unless，as soon as,when,once 等引导的时间和条件状语从句中，用一般现在时表将来（主将/情/祈从现）1.频度副词：always、usually、often、sometimes、never、hardly2.频率词组：once/twice/three times a week3.其他词组：in the morning,on Sundays/everyday/year1.主语+am/i
4、s/are2.主语+do/does时态基本结构时间标志词常见用法及例句一般过去时.eg：We went to Beijing last week.1.表示过去某个时间里所发生的动作或存在的状态。2.表示常常或反复发生的动作，常与频度副词连用。eg：When I was a child,I often playedbasketball in the street.1.ago 词组2.yesterday 及yesterday 词组3.last 词组4.Just now，in the past,in 19205.at the age of,used to6.One day,long long ago
5、,once upon a time1.主语+was/were2.主语+动词的过去式注意：动词过去式变化（page:164）时态基本结构时间标志词常见用法及例句一般将来时主语+will/shall+动词原形1.tomorrow,soon2.next week/month3.in a week,in 2000,in+一段时间4.one day，in the(near)future1.表示将来发生的动作或存在的状态。eg：We will have a meeting tomorrow.2.be going to do,表计划、打算做某事，表示已决定的、很有可能发生的。eg：We are going
6、to Shanghai next week.3.be doing 表将来，常用这种结构的动词有go,come,leave,stay,begin(移动性，趋向性)等，表示即将发生或安排好的事情。eg：She is leaving for Xinmin.4.be about to do 或 be to do 表即将发生的动作。eg：The train is about to start.5.用一般现在时表将来（1）计划好，安排好的事情（2）时间、条件状语从句中时态基本结构时间标志词常见用法及例句现在进行时1.主语+am/is/are+动词现在分词（注意：现在分词的变形）1.now,right no
7、w2.at present,at this time,at the/this moment3.these days4.when,while5.Look!Listen!1.表示此时此刻正在进行的动作。eg：I am reading English.2.表示现阶段正在进行的动作或持续的状态。eg：They are studying hard this term.eg：We are going to Shanghai next week.3.现在进行时表将来时态基本结构时间标志词常见用法及例句过去进行时1.主语+was/were+动词现在分词（注意：现在分词的变形）1.then2.at that t
8、ime,at ten yesterday,at this time yesterday3.When/while 引导的表示过去时间的状语从句表示过去某一时刻或过去某一段时间内正在进行的动作。eg：What were you doing at nine last night?I was watching TV at that time.He was reading when I came in.时态基本结构时间标志词常见用法及例句现在完成时1.主语+have/has+动词过去分词（注意：过去分词的变形）1.already，yet2.so far,3.In the past/last three
9、years/4.since 1998,since+时间点5.for three years，for+一段时间1.表示过去发生的动作或已经完成的动作对现在造成的影响或结果。eg：I have already finished my homework.2.表示从过去开始持续到现在的动作或状态，也许还要持续下去，常和since，for 连用。eg：We have lived here for 20 years.We have lived here since 2000.已去某地（未回来）曾去过某地（已回来）曾在某地待过4.短暂性动词（瞬间动词）可以用于完成时。但不能与for since 连用，也不能
10、用于how long 提问的疑问句中。eg:die have been dead marry have been married5.It has been+一段时间 since+一般过去式从句eg：It has been 3 years since she left school.have gone to have been to have been in 3.特殊用法：1.He_ swimming in the river every day in summer.(go)2.Look,the children _ basketball on the playground.(play)3.He
11、 said that he _ back in five minutes.(come)4.He is very hungry.He _ anything for three days.(not eat)5.We will go to the cinema if it _ tomorrow.(rain)6.We_good friends since we met at school.（be）7.What_you_ at five yesterday afternoon?(do)goesare playingwas listeningwill bringwould comelostsathas g
12、onehasnt eatenrainshave beenweredoingdidcostseems1.It_you are right.(seem)2.He_ to the radio when I came in,(listen)3.I need some paper.I _some for you.(bring)4.I_my bike,so I have to walk to school.(lose)5.He_down and began to read his newspaper.(sit)6.He is not here.He _ to the post office.(go)7.The bike is nice.How much _it_?(cost)如何做？有时间标志词 无时间标志词（根据上下文，分析语境）
