一般过去时讲解.ppt

• carry -- carried study -- studied
巧记不规则动词过去式
1.中间去e，末尾加t 如：
keep→kept， feel→felt，
sleep→slept，sweep打扫→swept 2.结尾d变t 如：
build建造→built，lend→lent，
send→sent，spend花钱→spent 3.遇见i改为a 如：
不规则动词的过去式
keep阻止 -- kept sleep -- slept sweep -- swept tell -- told sell -- sold begin -- began sing -- sang sit -- sat swim -- swam ring -- rang give -- gave bring -- brought buy -- bought think -- thought teach -- taught catch -- caught come -- came become -- became
• We are doing our housework now.
•
正在
• The bus is leaving at 8:00.
进行
•
时
•
be动词(was,were)
•
助动词(did)
主语ຫໍສະໝຸດ Baidu谓语 •
•
情态动词(could,might) 实义动词(有确切含义的动词，可
以单独做谓语,如:played
in 1990
two days ago 等
3.频度副词： often
always 等
例句:I got up at 7:00 yesterday. My father was at work yesterday afternoon. He always went to work by bus last year.
一般过去时
目录
• 时态介绍 • 一般过去时结构 • 谓语变化 •一般过去时用法 •练习
一般过去时介绍
1.定义： 一般过去时态表示过去某个时间发生的 动作或存在的状态,常和表示过去的时间状语连 用;也表示过去经常或反复发生的动作,常和表 示频度的时间状语连用。
2.时间状语： yesterday
last night
•
等)
例如：
• They were happy.
• He played football.
• You did your homework.
谓语变化
规则动词过去式的构成
1、一般词尾加-ed。
stay→stayed
help -- helped
ask -- asked
look→looked
2、e结尾的只加-d。
bring→brought，fight→fought 6.“教书”“抓住”——aught切莫忘 如： teach→taught，catch赶上→caught 7.ow/aw改为ew是新时尚 如：
know→knew，grow→grew，
throw→threw，draw→drew 8.“放”“让”“读”过去式与原形一样 如：
ring铃响→rang，sit→sat， drink→drank，
sing→sang，swim→swam， begin→began，
• 4.“骑(马)”“开(车)”“写(字)”——把i变 o如：ride→rode，drive→drove， write→wrote 5.“想”“买”“带来”“打仗”——ought 换上think→thought，buy→bought，
put→put，let→let，read→read/red
am, is -- was are -- were do -- did go -- went have -- had see -- saw can -- could may -- might dig挖 -- dug eat -- ate find -- found make -- made hear -- heard run -- ran take 拿-- took hold 握住-- held speak -- spoke leave -- left
6.其他时间状语：
just now刚才
in those days in 1980
at that time once upon a time
一般过去时的构成
所有时态都是通过动词变化来表现的
• E.g. • You are right. • • I want to go to school.
一般现在时
hope→hoped
love -- loved
dance -- danced live→lived
• 3、 辅音字母结尾词，重读闭音节先双写，然
后才能加-ed。
• stop→stopped plan(计划) →planned
• drop -- dropped
beg 乞讨-- begged
• 4、“辅音字母+y”尾，y改为i, 再加 -ed。
用于一般过去时的时间状语
1.与ago 连用：
a moment 刚才
two minutes
three hours five days
ago
one week
six months
four years
2.与last 连用
time上一次 night昨天晚上
last
week month
term
3.与yesterday 连用：Monday
grow种植 -- grew know -- knew throw -- threw blow -- blew write -- wrote drive -- drove ride -- rode get -- got forget -- forgot lend -- lent send -- sent spend -- spent say -- said */sed/ pay -- paid stand -- stood understand 懂-- understood let -- let put -- put cut -- cut read -- read*
morning
yesterday afternoon
evening
the day before yesterday前一天
4.与one 连用： morning一天早晨
one
evening day
Monday afternoon
5.与that 连用：
that
morning那天早晨 winter day year