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for its use.There is usually a b_________ near the dam. Much important work is d_______ there. For example, the water is tasted before it is piped to the city.et earbyroughtoundentuilteedednuildingone Fill in the blanks with the verbs using right tenses and voices:1. Large numbers of plastic bags ___________(use) in the supermarkets every day.2. _____ our country ____(send) up another manmade satellite last year? 3. Must the old people ____________(speak) to politely?4. Her grandma was still alive when he _________(take) to the hospital.5. English __________(speak) in many counties, but the Chinese ______ (speak) their own language.6. Three quarters of the world’s books______________(write) in . This kind of sweater ___________(sell) well.8. _________ Lesson 50 ___________(teach) next week?are usedDid sendbe spokenwas takenis spoken speakare writtensellsWill be taught你們學(xué)校附近有一個(gè)大圖書館,館內(nèi)有各種各樣的書,請(qǐng)你將這個(gè)圖書館的要求向你的同學(xué)作一介紹,以便他們?nèi)ツ莾嚎磿鴷r(shí)能遵守規(guī)則。如 :happen、 take place 、 appear、disappear…. A traffic accident ____________(happen) just 2. 連系動(dòng)詞( .)不用被動(dòng)語態(tài) 。當(dāng)把直接賓語改成主語時(shí),謂語動(dòng)詞后必須加適當(dāng)?shù)慕樵~ : to for.如: give be given to 此類動(dòng)詞還有: pass show send… 再如: buy be bought for 此類動(dòng)詞還有: make draw cook mend…5. 一些動(dòng)詞不定式在主動(dòng)語態(tài)中省略 to作賓語補(bǔ)足語,改成被動(dòng)語態(tài)時(shí), to必須還原 。 do3. 注意保持時(shí)態(tài)和人稱的一致。Turn the following sentences into the passive voice: 1. Many people speak English. English 2. He bought me a new bike yesterday. I A new bike 3. The boss made him do the heavy work in the old days. He is spoken by many people.was bought a new bike yesterday.was bought yesterday.was made the heavy work in the old days.for meto do 4. Tom must hand in the position after class. The position must be handed in after class.5. Th