牛津译林版八年级下册 Unit 1 past and present grammar

Unit1PastandpresentLearningAims：

现在完成时的含义2.现在完成时的构成3.与现在完成时连用的时间状语4.现在完成时过去分词的构成Task1:Think&findoutLet'senjoysomepictures!Shehaschangedalotsofar.

Sheisafamousstar.Theyhavebeenmarried

for2years.Theyarehusbandandwife.Ihavechanged

alotsofar.

I'manEnglishteachernow.Ibecameateacher2yearsago.Ihavebeen

anEnglshteacher

fortwoyears.(过去的时间点)Ihavebeento

Xinyangonce.

Whataboutyou?Unit1Whataboutyou?

We

learnedEnglish5yearsago.We

havelearnedEnglishsince5yearsago.WehavelearnedEnglishfor5years.〔时间段〕Shehaschanged

alotsofar.到目前为止，她变化很大。Think：？？？我已经在扶沟县生活14年了。现在完成时用法1：现在完成时表动作发生在过去并对现在造成影响。〔她现在和以前不同〕用法2：现在完成时表动作发生在过去并一直持续到现在，有可能继续持续下去。IhavebeenaanEnglshteacher

fortwoyears.我已经当了两年英语老师了。IhavebeentoXinyangonce.

我去过信阳一次。现在完成时用法3：现在完成时表到现在为止某动作发生了多少次。Canyouworkouttherules?Task2:Discussion现在完成时的构成助动词have/has+过去分词(done)Task3:现在完成时的时间状语◆常与不确定的时间状语连用，如:already,never,ever,just,yet,before,sofar,inthepastfewyears等,表示“到目前为止〞所发生的动作.eg:fortwoyearssincetwoyearsago

上一页下一页主菜单Canyouworkouttherules?Task3:Let'slearnmore■

I

havealreadywatchedthisTVprogramme(节目)sincetwohoursago.

■Have

youwatchedthisTVprogrammeyet?

Yes,I

have.

No,I

haven’t.

Hashe/shewatchedthisTVprogrammeyet?

Yes,he/she

has.

No,he/she

hasn’t.When

haveyouwatchedthisTvprogramme?

①陈述句肯定形式。主语+have/has+过去分词+其它②陈述句否认形式。主语+have/has+not+过去分词+其它(在助动词have/has后+not，可缩写为haven’t/hasn’t)上一页下一页主菜单现在完成时的根本句型P12③一般疑问句形式及其答语。Have/Has+主语＋过去分词＋其它〔将助动词have/has提前，句末加问号〕肯定答复：Yes,主语＋have/has.否认答复：No,主语＋haven’t/hasn’t.④特殊疑问句形式。〔疑问词+一般疑问句〕

特词+have/has+主语＋过去分词＋其它？上一页下一页主菜单否认句和疑问句中yet肯定句中alreadyTask4:AguessinggameLet'shaveatry!Whydoes

shelooksohappy?Haveyou___________apictureofher?〔照相〕(take)takenWhyisSunYangsoexcited?Hashe________swimmingrace?〔他已经赢得游泳比赛了吗〕(win)wonWhyisYaoMingsotired?Hashe______________?〔他睡觉了吗〕AguessinggameHashe______________histeeth?〔刷牙〕Hashe_____computergames?

(打电脑游戏)Whyishesosleepy?played

Have

you_________upthewater?(喝光)Whyisthecup

empty?drunkHasPresidentObama____withPresidentXiyet?〔谈话〕Yes,he____./No,he____.talkedhashasn't规那么动词：(1)、一般动词，在词尾直接加“ed〞。work---worked---worked,visit---visited---visited

(2)、以“e〞结尾的动词，只在词尾加“d〞。live---lived---lived,(3)、以“辅音字母+y〞结尾的动词，将“y〞变为“i〞，再加“ed〞。study---studied---studied,cry---cried---cried(4)、重读闭音节结尾，末尾只有一个辅音字母，先双写该辅音字母，再加“ed〞。stop---stopped---stopped,drop---dropped--droppedTask5:过去分词变化规那么过去分词的构成上一页ABBAAA

ABCABA不规那么变化P12212345Challengeyourselfp0donatelearnbuyseegethavearedoputam/isflyeatmeetbegincomedraw

I______(lose)mypenjustnow.I______just_____(lose)mypen.〔我刚刚丢了钢笔〕She_____just_____(buy)abook.She_______(buy)abookjustnow.〔她刚刚买了本书〕上一页下一页losthavelosthasboughtboughtI________(do)myhomeworkalready.He_____________(notfinished)hishomeworkyet.____youever_____(be)toBeijing?They_____________(practice)thisdialoguetwice.havedonehasnotfinishedHavebeenhavepracticed用现在完成时态完成下面的句子：当堂检测：Ihaven’tseenthefilmyet.●

Ihavedonemyhomeworkalready.Ihaven’tdonemyhomeworkyet.●

Motherhasjustcleanedthehouse.Motherhasn’tcleanedthehouseyet.●

Ihaveseenthefilmalready.1.Haveyoudoneyourhomework______?(for,just,yet)2.Ihave_______beentoChengdu.(ever,never,yet)3.Hehas_______washedthedishes.(already,ever)4.Haveyoucleanedyourroom_______?(for,just,yet)5.Haveyou______riddenahorse?(ever,for,yet)6.Theyhave______arrived.(ever,just,yet)7.Wehavenotcompletedtheproject_______.(already,yet)yetneveralreadyyeteverjustyetWhoisthebigwinner?1.Wehaveseenthatfilmbefore.否认句：___________________________________________________一般疑问句：_____________________________Wehavenot(haven't)seenthatfilmbefore.Haveyouseenthatfilmbefore?Whoisthebigwinner?2.Hehasalreadyfinishedhishomework.否认句：___________________________一般疑问句：________________________________肯定答复：________,he_______.

否认答复：________,he_______.Hehasnotfinishedhis

homework

yet

.Hashefinishedhis

homework

yet?

Yeshas

No

hasn't

1.Remembertoday’scontents.P14

Homewo