Module12TraditionalLife一.Keypoints
情态动词must和can的用法
1.must表示”必须”,mustn’t表示“禁止”,后加动词原形
forexample,Youmustcleanyourclassroomeveryday
Youmustn’tspeakrudelytoothers
2.can和can’t的用法
本模块中表示允许和不允许,后加动词原形
)Youcandohomeworkafterdinner
Youcan’tstayoutafter9:00pm
must可表肯定推测,can’t可表否定推测
例如ItmustbeLingling’sbook,becausehernameisonit
Shecan’tbeourEnglishteacher,shehasgoneabroad
二.含有must的一般疑问句肯定回答用must,否定回答用needn’t,或用don’thaveto,表示“没必要”eg)MustIreturnyourmoneytomorrow
Yes,youmust
No,youneedn’t(don’thaveto)
三.Usagesofsomekeywords
stopdoingsth
停止做某事Thestudentsstoppedtalkingwhentheteachercamein
stoptodosth
停下来去做某事Theywalkedforalongtime,sotheystoppedtohavearest
stopsb
from(doing)sth
阻止某人做某事Theheavyrainstoppedusgoingtothepark
2.both表示两个都bothof,both…and…谓语动词用复数
Bothofthemarestudents
BothheandshecomefromLia