单元过去现在语法完美时态们使用简单谈论一定时刻发生了什么unit 1课件grammar.pptxVIP

八年级下册;Unit1

Pastandpresent;ThePresentPerfectTense;Weusethepresentperfecttensetotalkaboutthingsthatstartedinthepastandstillhavesomeconnectionwiththepresent.

EddiehaslivedwithMilliesincehewasborn.

EddiehaslivedwithMillieforfouryears.

;一、现在完成时的构成

1.现在完成时的肯定句

句型：主语+have/has+过去分词。

WehavelivedinBeijing.

HehaslivedinBeijing.

Ihavefinishedmyhomework.;2.现在完成时的否定句

句型：主语+have/has+not+过去分词

Ihavenotseenthemovieyet.

Hehasn’tbeentoBeijingsincethen.

;I/They/We/You;thepastparticlesofsomeverbs;Makingsentences

Mr.Wuasksthestudentstocompletethesentences

belowusingthepresentperfecttense.Helpthem

completethesentences.

They______________(finish)theirhomework.

Mr.AndMrs.Li_________________(notcome)backyet.

John_______________(play)thiscomputergameafewtimes.

We_______________(notsee)thatfilmyet

Mr.Dong_______________(repair)overtenbicyclessincelastMonday.

You_______________(notvisit)meforalongtime.;3.现在完成时的一般疑问句

句型Have/Has+主语+过去分词+….

Haveyoufinishedthework?

Hasshearrivedhere?

4.现在完成时的特殊疑问句

句型特殊疑问词+have/has+主语+过去分词+…….

HowmanytimeshaveyoubeentotheGreatWall?;Chattime

MillieandSandyaretalkingaboutafilmabout

HongKong.Completetheirconversation.Usethe

correctformsoftheverbsinthebrackets.

M:______you____(see)anyexhibitionsrecently,Sandy?

S:No,I_______.Whataboutyou?

M:Yes,I_____________(see)one.Isawitatthehistorymuseumlastweek.

S:Whatisitabout?

M:I______________(forget)thetitle.It’saboutchangesinBeijingoverthepastcentury.;S:Oh,yes.I____________(hear)aboutit.______yourcousin____(go)withyou?

M:No,he_______.He________(be)verybusythisweek.

S:Didyouenjoythisexhibition?

M:Yes,Idid.I______(learn)alotabout

Beijing’spastandpresent.It’sagood