(
课件网) Let’s Communicate! Unit 8 Section A Grammar Focus Learning Objectives By the end of this lesson, we will be able to： 1. perceive the structure of if-clauses and understand the meaning of if-clauses; 2. summarize the rules of if-clauses; 3. use if-clauses to give a speech. Lead-in T: If you want to be a/an..., what will you do Ask and answer S: If I am a/an..., I will... If you want to solve the problem, a face-to-face talk usually works the best. Texting can make things worse if you’re not careful with your words. If the rehearsal ends at 7:00 p.m., I’ll pick you up at 7:15 p.m. If you stay calm and say sorry, it will help. If I go there, I will try all the delicious local food. Perceive the form What do they have in common They all have the if-clause. If yeverything goes well, I’ll see you at 7:15. If the traffic is too bad, you’ll have to wait for a few minutes. Perceive the form More sentences with if-clauses. Understand the meaning If I go there, I will try all the delicious local food. What is the function of if-clauses Predict the consequences (预测结果) Conditions(条件) if 意为“ 如果，假如”，它引导的句子表示某事发生所需的条件，即“在......条件下，某事才能发生”，在句子中充当状语，因此称之为条件状语从句(if conditional adverbial clause)。 从句 主句 If you want to solve the problem, a face-to-face talk usually works the best. Texting can make things worse if you’re not careful with your words. If the rehearsal ends at 7:00 p.m., I’ll pick you up at 7:15 p.m. If you stay calm and say sorry, it will help. If I go there, I will try all the delicious local food. Find out if conditional adverbial clause(从句) and main clause(主句). if conditional adverbial clause main clause 3b: Match the two parts to make sentences. 1. If we have a face-to-face meeting, 2. If I have good news, 3. If you need to leave, 4. If you can finish your work early today, 5. If the old man has difficulties in hearing, 6. If you can't reach her by phone, A. try texting. B. we'll understand each other better. C. you can write things down for him. D. I’ll call you right away. E. I’ll call a taxi for you. F. Will you join me for dinner difficult-difficulty / d f k lti/ / mi t / meet + ing 从句 主句 Rule 1 If clause Main clause If + _____ _____ 一般现在时 一般将来时 If the rehearsal ends at 7:00 p.m., I’ll pick you up at 7:15 p.m. If you stay calm and say sorry, it will help. If I go there, I will try all the delicious local food. Find out the rules Circle the verbs in each sentence. Rule 1:主将从现 What tense are they Texting can make things worse if you’re not careful with your words. Rule 2 If clause Main clause If + _____ _____ 一般现在时 情态动词 Find out the rules Circle the verbs in each sentence. What tense are they Rule 2:主情从现 If you can't reach her by phone, try testing. Rule 3 If clause Main clause If + _____ _____ 一般现在时 祈使句 Find out the rules Circle the verbs in each sentence. ... ...
