We’re trying to save the manatees教案

play the recording again, then check the answers.step v pairwork (2c: p119)t: after listening, we know more about manatees. we know that they are fewer and fewer. the government has passed laws to protect them. they eat a lot of food every day. they are enormous. can you make conversations about the animal in pairs? you can base on the model dialogue in 2c.a sample dialogue:s1: how many manatees are there in the us? s2: about 2,500.s1: where are they living?s2: their favorite habitat is in the water under the trees in mangrove swamps.s1: why are they endangered?s2: some of the swamps have been polluted.s1: do they eat a lot?s2: yes, they do....step vi  grammar (grammar focus: p119)help the students sum up the following patterns. 時(shí)   態(tài)謂語動(dòng)詞的形式 （do）一般現(xiàn)在時(shí)do / does一般過去時(shí)did現(xiàn)在進(jìn)行時(shí)be (am / is / are) doing現(xiàn)在完成時(shí)have / has done一般過去時(shí)被動(dòng)語態(tài)was / were done現(xiàn)在完成時(shí)被動(dòng)語態(tài)have / has been donet: look at the grammar focus box on page 119. now who’d like to read the sentences to the class?ask a student to read the sentences in the box.t: can you make some sentences with the different tenses and passive voice? please write down your sentences in your exercise books.ask the students to do more practicing exercises, such as the following:fill in the blanks with the right forms of the given words.1. every day my mother _____(get) up early.2. the dinosaur eggs _____(discover) many years ago by scientists.3. listen! some children _____(sing) an english song over there.4. in our hometown there used to _____(be) many old trees.5. my work _____(not finish) yet. i can’t go out to play with you.sample answers:1. gets 2. were discovered 3. are singing 4. be   5. hasn’t been finishedstep vii  homeworkt: in this class, we’ve heard two spoken conversations: in the first conversation, we heard about some adjectives for describing animals; in the second, we heard something about manatees. after class, please listen to the conversations again. make some sentences with different tenses. then remember the new words in section b.