Unit12Unit12Lifeisfulloftheunexpected
Lifeisfulloftheunexpected
Period4Period4主语+had+过去分词v-pp
(done)①肯定句:主语+had+过去分词
②否定句:主语+had+not+过去分词
③一般疑问句:Had+主语+过去分词
肯定回答:Yes,主语+had
否定回答:No,主语+hadn’t
④特殊疑问句:特殊疑问词或词组+一般疑问句(Had+主语+过去分词)
⑤被动语态:主语+had(hadn't)+been+过去分词由时间状语来判定一般说来,各种时态都有特定的时间状语
与过去完成时连用的时间状语有:(1)by+过去的时间点
如:Ihadfinishedreadingthenovelbynineo‘clocklastnight
(2)bytheendof+过去的时间点
如:WehadlearnedovertwothousandEnglishwordsbytheendoflastterm
(3)before+过去的时间点
如:TheyhadplantedsixhundredtreesbeforelastWednesday
Hehadwaitedthereforthreehoursbythattime
Hehadalwaysstayedinhisofficesincethatmorning
bythetimeBythetimehewastwelve,Edisonhadbeguntomakealivingbyhimself
whenWhenthepolicearrived,thethieveshadrunaway
Whenmymothergothome,Ihadalreadydone10mathsproble