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课件网) 8A Unit7 Memory Grammar Grammar Conditional sentences (2) Warming up Daniel is worried about the coming exam. What will he do to feel relaxed If Daniel listens to music, he will feel relaxed. Warming up If Daniel listens to music, he will feel relaxed. If Daniel plays basketball, he will feel relaxed. If Daniel goes to the cinema with his parents, he will feel relaxed. If Daniel goes hiking, he will feel relaxed. Conditional sentences 条件状语从句 条件状语从句表示在……条件下某事才能发生，从句是主句动作发生的前提或条件，通常由连词if引导，意为“如果” Review and conclude Conditional sentences 条件状语从句 概念 条件状语从句表示在……条件下某事才能发生，从句是主句动作发生的前提或条件，通常由连词_____(如果)/ _____(除非，如果不)引导。 if 用法 We use conditional sentences to talk about _____. probable results unless If Daniel goes hiking, he will feel relaxed. a possible action a possible result 条件状语从句表示在……条件下某事才能发生，从句是主句动作发生的前提或条件，通常由连词if引导，意为“如果” 引导词 Review and conclude Conditional sentences 条件状语从句 If you ask him, he will help you. We will go out unless it rains tomorrow. You may borrow my book as long as you keep it clean. 如果，假如 如果你问他，他会帮助你。 除非，如果不 如果明天不下雨，我们就出去。 = We will go out if it doesn’t rain tomorrow. 只要 只要你能让书保持干净，你就可以借我的书。 Exercise 1) I won’t watch basketball matches _____ Yi Jianlian is playing. 2) I don’t mind the customers enjoy the food. 3) You’ll fail in French _____ you work harder. 4) Don’t watch this horror film _____ you get scared easily. 5) I hate TV advertisements _____ they are creative and interesting. unless as long as unless if unless Let’s learn It disappears. If you put some salt into water, what happens to it - What happens if you drop a glass - It breaks. - Are you sure - Of course, I’m sure. If you drop a glass, it breaks. Let’s learn a possible action a certain result If you put salt into water, it _____. If you drop a glass, it _____. disappears breaks When we use a conditional sentence to talk about something that will certainly happen, both verbs should be in (the simple present tense / the simple future tense). Let’s learn Read and match Read these if-clauses and match them with the results. Possible actions Results 1 If you take a fish out of water, a it grows. 2 If you switch off the lamps, b it dies. 3 If you put wood into water, c the room become dark. 4 If you water a plants, d it breaks. 5 If you drop a glass, e it floats. b c e a d Match the beginnings of the sentences in Column A with the endings in Column B. A B 1 We will have a picnic tomorrow a you will not play it well. 2 I will finish the book today b if it does not rain. 3 Unless you want to watch something, c I will switch the television off now. 4 I am going to buy a dress for my mother d unless I can think of a better idea for a present. 5 Unless you practise ... ...
