(
课件网) Unit 8 Let’s Communicate ! Section A （Grammar focus） Learning objectives Lead-in What will happen if it rains tomorrow Presentation Read the sentences. Find more sentences with if-clauses in Section A. 3a Translate all the sentences. Grammar Focus 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. Read the sentences. Find more sentences with if-clauses in Section A. 3a Find the similarities(相似性) of these sentences. 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. if 条件句 Grammar Focus Read the sentences. Find more sentences with if-clauses in Section A. 3a What are the tenses of the main clause(主句) and the subordinate clause(从句) 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. if 引导的是从句 Grammar Focus 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. 一般现在时 一般现在时 带情态动词的一般现在时 一般现在时 一般现在时 一般将来时 一般现在时 一般将来时 一般现在时 一般将来时 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. Question: Does the meaning of a sentence influence its tense zero conditional sentence 零条件句 first conditional sentence 第一条件句 if引导的条件状语从句 Grammar Focus 定义：if引导的条件状语从句包含零条件句和第一条件句。 (1)零条件句:用于表示客观事实、普遍真理或在特定条件下总是会发生的事情,即条件成立时,结果必然出现,不存在任何不确定性。 e.g. If you heat water to 100 degrees Celsius,it boils. 如果你把水加热到100 摄氏度,水就会沸腾。 if引导的条件状语从句 Grammar Focus 定义：if引导的条件状语从句包含零条件句和第一条件句。 (2)第一条件句:用于谈论将来可能发生的事情以及这件事情发生后可能产生的结果,结果的实现是有条件的,且这个条件有实现的可能性。 e.g. I ... ...
