Chapter Two Pollution Fighters

put the verbs in brackets in the present continuous tense to make sentences. make the verbs with question marks into questions. add any necessary punctuation marks. the first one is done for you.1.       the grade eight students (play) volleyballthe grade eight students are playing volleyball.2.       richard and ping kang (camp?)____________________________________3.       ye qing (shop)____________________________________4.       joyce (sweep?) the floor____________________________________do the exercises to learn the differences between the simple present tense and the present continuous tense.他們很熟悉一般現在時，也剛剛學過現在進行時，這道練習可以對這兩種時態進行區分，鞏固所學，加深理解。1.       i (have) my fourth cup of tea this morning. i often (not drink) so much tea.i’m having my fourth cup of tea this morning. i don’t often drink so much tea.2.       it doesn’t usually (rain) at this time of year, but today it (rain) heavily.________________________________________________________3.       the timetable says the last train (leave) at midnight. quick. it’s exactly midnight, and the guard (blow) his whistle.___________________________________________________________4.       paul (hide) behind that tree. he (not want) to talk to us.___________________________________________________________step 3 practice（教材中的練習）4. writing這個環節是要求學生根據五幅圖片和提綱為學校報紙寫一篇短文，反映上星期工人們在他們家附近建了一個sitting-out area。1) 老師可以就每幅圖片設計一些問題讓學生討論，這里可以用到本課的語法(the present continuous tense)，進一步幫助學生鞏固語法。2）questions for the pictures:   what can you see in picture 1/2/3/4/5?   what’s on the back of the lorry?   what are the workers doing in the ground?   are they planting the trees in the holes?   what are the two workers doing in picture 2?   what are they putting in the containers?   what are the workers doing in picture 4?   how are they watering trees? (with a hose)   how is the area now?3) 讓學生獨立完成短文，這里還要特別關照學生注意時態變化和句子的完整性。4) 分小組讓學生互相批改作文，糾正錯誤；每組派一名學生朗讀作文，老師與全班同學一起來欣賞和評價作文，看哪組同學完成的最好，進行表揚和鼓勵。