【正文】 require + that 從句用虛擬語氣（ should+動詞原形） demand,require,request 和 ask 辨析 : demand 意為 ”要求 ,需要 ”。結(jié)構(gòu)為 should +have+過去分詞。 4 比較 have to 和 must (1)兩詞都是 ’必須 ’的意思 ,have to 表示客觀的需要 ,must 表示說話人主觀上的看法 ,即主觀上的必要。 和 might 表示請求許可（否定答語為 must not） ,口語中可用 can/could 代替 may,但在正式場合要用 may。表示 ”能力 ”時和 be able to 相似 ,許多場合都可以互相替換。 can/could 和 be able to （ 1） can/could 表示能力 。 would 表示更委婉的請求或建議。 The doctor advised me to take more exercise. 醫(yī)生囑咐我多加鍛煉。常用 ask sth./sb.,ask(sb.) for 。 forbid do sth./forbid doing sth. 既可以接 ing又可以接不定式作賓語的動詞 permit doing/permit do 允許做某事 allow doing/allow do 允許（某人）做某事 advise doing/advise do 建議某人做某事 encourage doing/encourage do 鼓勵某人去做某事 例如 : Do you permit your children to smoke? 你準許你的孩子們吸煙嗎 ? The government servants aren’t allowed to accept rewards. 公務(wù)員不得接受酬謝。 would 表示過去時間的意愿 ,是 will 的過去時 。 Mother may(might)be cooking now. 我媽媽可能正在做飯。Pronunciation The General Idea of This Period Grammar in this module is the revision of modal part can be led in by doing some exercises of modal this part,we’ll revise the usage of modal verbs,such as can,could,must,have to,should, verbs are important and difficult English grammar points and it is rather the students to pay much attention to this part,we’ll deal with four function in this module is talking about obligation,permission and ,the teacher may ask the students to speak out the way used to express obligation,permission and teacher can give them some ask the students to do the are four activities in aim is to make sure that the students can pause at the end of each sense group,not making the sentence broken. Teaching Important Points Encourage the students to sum up grammatical rules and the way to show obligation,permission and prohibition. Teaching Difficult Points To distinguish the usage of modal verbs and pause at the end of each sense group. Teaching Methods Individual work and pair work to make every student work in class. Teaching Aids Multimedia,taperecorder amp。在表示推測的句子中 ,一般不用于疑問句 ,may表示的可能性比 might 要大 。例如 : My brother was very ill,so I had to call the doctor in the middle of the night. 我弟弟病得很厲害 ,我只得半夜里把醫(yī)生請來。 You shall do as your father tells you. 你要照年父親說的去做。 require 也是 ”要求 ,需要 ”的意思 ,但語氣比 demand 要緩和 ,后面常接 sth.(of sb.)。require + doing/to be done。 (2)shall 用在主語是第二人稱或第三人稱陳述句中表示說話人的允諾或警告。例如 : They will be able to tell you the news 。 He was able to swim halfway before he was tired out. 他游過一半已精疲力竭。例如 : Her mother can speak French. 她媽媽能說法語。 be able to可以用于各種時態(tài)。 We tried to persuade him to e with us,but he wouldn’t. 我們力圖說服他一起來 ,可他不愿意。 All passengers are required to show their tickets. 所有乘客都必須出示車票。 ask 作 ”要求 。 Language Points ,不許（ bade 或 bad,bidden,bidding） Smoking is forbidden in the concert hall. 演奏廳內(nèi)不準吸煙。 You mustn’t tell him about it. 你一定不要把這件事告訴他。 She said I might use her dictionary