高中英语教学：XB2U3grammar.docxVIP

Book2Unit3Fitforlife

Grammarandusage

Presentperfectcontinuoustense

Teachingaims:

Bytheendofthissection,studentswillbeableto:

1.identifytheverbformofpresentperfectcontinuoustense;

2.summarizethegeneralrulesofpresentperfectcontinuoustense;

3.describeanactivity,usingpresentperfectcontinuoustense.

Teachingfocalanddifficultpoints:

1.Tosummarizethegeneralrulesofpresentperfectcontinuoustense;

2.Todescribeanactivity,usingpresentperfectcontinuoustense.

Teachingprocedures:

Period1

Step1Lead-in

Readthepersonalaccountgivenbyagirlwhoisequippedwitharobotichandandfillinthefollowingtable.

Beforehavingthenewrobotichand

?Thegirlbeganto1.______________________afterlosingherrighthandinacaraccidenttwoyearsago.

?Theoldartificialhandcouldnothelphermuchbecause2._____________________________

Withthenewrobotichand

?Thegirlcan3.______________________________andholdontosmallthings.

?Thenewrobotichandiscapableof4.________________

?Thenewrobotichandlooksverylifelikewith

5._______________________________________

Overthepastthreemonths

?Thegirlhasrediscoveredoldhobbies.

?Thegirlhasbecomemore6.____________________

UsefulExpressions

1.beequippedwith2.withdrawintooneself

3.leadanormallife4.holdonto

5.moreamazingly6.becapableofdoingsth.

7.begratefulfor...8.openupnewpossibilities

Step2Exploringtherules

CCTVhasbeenbroadcastingEnglishprogramssince1984.

Rule1:表示过去的动作________________并_____________

Lily:Sorry.Haveyoubeenwaitinglong?

Cathy:Ihavebeenwaitingforanhour.

Rule2:表示一个在过去开始而在最近_____________的动作

Youhavebeencoughingalotlately.()

Toomuchhasbeenhappeningtoday.()

Hehasalwaysbeenstudyinghard.()

Rule3:表示一个从过去开始延续到现在，可以包括现在在内的一个阶段内，重复发生的动作，通常表示一种_______________(关切、惊异、愤怒、赞许等)