1、 Modal VerbsGRAMMAR:Use an auxiliary verb to add meaning to another verb.CONTENTS:1.The characteristics of modal verbs2.List of modal verbs3.Use of modal verbs4.Example of modal verbs1.The characteristics of modal verbs Modals are special verbs that behave irregularly in English.They are different f
2、rom normal verbs like work,play,visit.They give additional information about the function of the main verb that follows it.They have a great variety of communicative functions.A.They never change their form.You cant add s,ed,ing.没有人称，数及时态变化*They are always followed by an infinitive without to(e.i.th
3、e bare infinitive.)加动词原形They are used to indicate modality and allow speakers to express adding meanings.修饰动词情感和态度2.List of modal verbs（9）ustayightillouldanouldhallhould3.Use of modal verbs Modal verbs are used to express functions such as:1.Permission2.Ability3.Obligation4.Prohibition5.Lack of nece
4、ssity6.Advice7.possibility8.probability许可能力义务；责任禁令不必要建议可能性概率4.Example of modal verbsRead the passage and fill in the blanks with suitable modal verbs in the box.may must can ought to might had better would shouldIn the film The Million Pound Bank Note,Henry Adams is stuck in a foreign country withou
5、t money and friends,and with nowhere to stay.While this situation _ seem unusual,it can sometimes happen to travellers.In case it happens to you on a trip abroad,what _ you do?First,and most importantly,you _stay calm.Fear _ cause you to become confused.You need to think clearly.Second,you should go
6、 to your nearest consulate.They _ be able to help to some extent.Third,you _ do well to check with some local charities.They _offer help to travellers in need.Fourth,you _avoid getting into trouble.You _ think that stealing some money or food would help you,but you should not do so.Getting caught _ ruin your life.mayshouldmustcanPresentationought towouldmighthad bettermightwould
