Unit10
I’vehadthisbikeforthreeyears.;1.Wherearethey?
2.WhyisAmythere?
3.WhatthingshasAmybrought?
4.HowlonghasAmyorhermomhadsomeofthem?;;for/since
forthreeyears
forawhile
foralongtime
sincehisfourthbirthday
sincefouryearsago
sinceshewasababy
sinceIwasachild
;for/since;questions;延续性与非延续性动词在现在完成时态中的使用?;非延续性动词的转换：
①用相应的延续性动词?
eg：buy?→?have???????borrow?→?keep??????come/go/become?→?be?????????
?put?on?→?wear?catch?a?cold?→?have?a?cold??
②转换成be+名词?eg：?join?→?be?a?member?of?????go?to?school?→?be?a?student
③转换成be+形容词或副词?
eg：?die?→?be?dead???????leave?→?be?away?????begin?→?be?on?????finish?→?be?over???
fall?asleep?—be?asleep?????open?→?be?open???get?up?→?be?up??????close?→?be?closed;1.I_________(have/buy)thecomputerfortwoyears.
2.Linda______________(comeback/beback)sincethreedaysago.
3.Howlonghashe______(keep/borrow)thisbook?
4.Howlonghavethey___________(leave/beaway)?
;将下列动词转化成延续性动词;Theyhavenoteatenfortenhours./sincetenhoursago.;haveneverbeen;Report:MyfriendTonyhashadhisfavoritebookfortwoyears.Hethinksthisbookhasspecialmeaningtohimbecause……;1.Wehavelivedhere_______1990.
2.—Howlonghaveyoustudiedhere?—______5years.
3.Theboyhashadabadcold______lastnight.
4.Ihavewaited____twohours.
5.Mr.Huanghaskeptthebooks______lastmonth.
6.Ihavetaughtintheschool________Icamehere.
7.Wehavebeenfriends______alongtime.
8.IhavebeeninNanjing________eightyears.
;9.SallyhasbeenawayfromLondon_____lastSaturday.
10.Ourschoolhaschangedalot______thenewbuildingwasbuilt.
11.Tommyhashadthismotorcycle______threeyears.
12.Myparentshavebeenmarried_____20years.;二、按要求改写句子。;Theexhibitionhasbeenonforthree
days.(同义句转化)
Theexhibition__________________
threedaysago.
Myparentsgotmarried25yearsago.
(同义句转化)
Mypa