was/werebeing+done
Hesaidhewouldfinishtheworktห้องสมุดไป่ตู้enextday.
Hesaidtheworkwouldbefinishedthenextday.
现在完成时
1）表示过去发生的动作或事情对现在的影响和产生的结果.它强调的是过去的动作同现在的联系。2）表示一个从过去开始,一直持续到现在,有可能继续下去的动作或状态.
do/does
am/is/are+done
Wecleantheclassroom.
Theclassroomiscleanedbyus.
一般过去时
表示在过去某个时间发生的动作或存在的状态，也表示过去经常或反复发生的动作。
yesterday;lastweek/…;in1990
tenminutesagojustnow
had+done
hadbeen+done
Theyhadtoldmethenewsby9o’clockyesterday.
Ihadbeentoldthenewsby9o’clockyesterday.
Thenewshadbeentoldtomeby9o’clockyesterday.
含有情态动词
can/may/mustdo
,yet,ever,never,just,before等
2.和for或since引导的时间状语连用.
have/has+done
have/hasbeen+done
Theyhavemadetheboystopcryingalready.
Theboyhasbeenmadetostopcryingalready.
过去完成时
1)过去完成时动词表示过去某一时间或某一动作之前完成的动作或状态。
2)从过去某一时间开始持续到过去另一时间的动作或状态。
1）与bythen,by9o’clock,bytheendof,bythetime…,before+过去的时间构成的短语连用。2）过去完成时和already,just,ever,yet等连用。3）与when,before,after，assoonas等引导时间状语的从句连用，强调动作发生的时间前后
can/may/mustbedone
Wemusttakegoodcareoftheold.
Theoldmustbetakegoodcareofbyus.
各种时态的主动、被动语态结构表（以动词do为例）
时态
用法
时间状语
动词构成
例句
主动语态
被动语态
主动语态
被动语态
一般现在时
1)经常性、习惯性的动作或存在的状态。2)主语的特征、性格、能力、爱好等。3)表示客观真理
often,sometimes,always,usually
everyday/……;onMondaysonceaweek,twiceayear
did
was/were+done
Heboughtmesomebooks.
Iwasboughtsomebooksbyhim.
Somebookswereboughtformebyhim.
现在进行
1)表示此时此刻或现阶段正在进行或持续的动作
now,thesedays等或当句中含有look,listen之类的暗示词时
Thisquestionwillbediscussedinclasstomorrow.
过去将来时
表示从过去某一时间看将要发生的动作或存在的状态，常用在宾语从句中
would/should+do
was/weregoingto+do
was/were+doing
would/shouldbe+done
was/weregoingtobe+done
in2020
will/shall+do
am/is/aregoingto+do
am/is/are+doing
will/shallbe+done
am/is/aregoingtobe+done
am/is/arebeingdone
Wewilldiscussthisquestioninclasstomorrow.
am/is/are+doing
am/is/are+being+done
Sheiswateringtheflowers.
Theflowersarebeingmadebyher.
过去进行
表示在过去某一时刻或过去某一阶段正在进行的动作
thistimeyesterday,atthattime,then,attenyesterday,from7:00to9:00lastnight
was/were+doing
was/were+being+done
Iwasplantingtreesthistimeyesterday.
Treeswerebeingplantedbymethistimeyesterday.
一般将来时
表示将来要发生的动作或存在的状态
tomorrow;nextweek
inafewdays