外研版英语八年级上M8U2.pptx

;Thekeywordsandexpressions:

climboutpickitupgetworse

assoonasingreatpainasyouknow

2.Keystructure:(时间(shíjiān)状语从句)

(1).Iwastryingtopickitupwhenitbitmeagain.

(2).WhenHenrywasworkinginarestaurant,asnake

suddenlyappearedandbithishand.

(3).Whilethesnakewaslyingonthetable,Henryquickly

pickeduphismobilephoneandtookaphotowithit.

(4).Asthedoctorswerecheckinghim,thepaingotworse.

3.Ability:区分when,while和as的用法

;1.WhenHenrywasworkinginarestaurant,asnakesuddenlyappearedandbithishand.

2.Iwastryingtopickitupwhenitbitmeagain.

3.Whilethesnakewaslyingonthetable,Henryquicklypickeduphismobilephoneandtookaphotowithit,

4.WhenHenrywastryingtofindthesnake,hishandbegantohurtbadly.

5.Asthedoctorswerecheckinghim,thepaingotworse.

6.Ashewaslyingthereingreatpain,Henrysuddenlyrememberedthephoto.

;;While(When)youwerespeakingtotheteacher,Isawyou.;过去(guòqù)进行时+while+过去(guòqù)进行时

=while+过去(guòqù)进行时，过去(guòqù)进行时;总结

when引导的时间状语从句。后用一般性时态。

While后面一般用进行时态。

如果从句和主句的动作都用进行时态的时候，多用while引导，表示动作同时(tóngshí)发生，如：

a.Whentheteachercamein,weweretalking.

=Whileweweretalking,theteachercamein.

b.Theyweresingingwhileweweredancing.;1.I_______at8:00yesterday.

A.wassleepinglateB.sleptlateC.sleeplate

2.They______atthistime.

talkingonthephone

B.weretalkingonthephone

C.wastalkingonthephone

3.Lilywasstandinginfrontofthelibrary________.

A.twohoursago

B.tomorrow

C.atthattimeyesterday;5.Myfatherwasreadingnewspaper____mymother

wascookingdinner.

A.whenB.whileC.what

6.ThereportersaidthattheUFO___easttowest

whenhesawit.

?A.wastravelingB.traveledC.traveling

7.Mymother_____whilemyfather_____TV.

A.cooked,waswatching

B.wascooking,waswatching

C.cooked,