unit7-2020-2021学年八年级英语上册课文和语法同步课件与教案（牛津版）

Unit 7 Memory Grammar If sentence: if: “如果” 引导条件状语从句 She is hard-working. She gets A. Look and say If she is hard-working, she will get grade A. * Look and say If I have much money, I will buy a big house. tour around the world. buy lots of delicious food. * 3. 时态口诀: ___________ 小结①：条件状语从句If 2. if 从句用___________，主句用__________。 主将从现 如果他努力学习，他将会通过考试。 If he _______ hard, he ________ the exam. 一般将来时 一般现在时 studies will pass I stand in the rain, If what happens? you get wet. you stand in the rain, If I cool water, If what happens? it turns into ice. you cool water, If cool If I heat water, what happens? heat steam If you heat water, it becomes steam. If you plant seeds in earth, they grow. If you drop a glass, it breaks. 3. 时态口诀: ___________ 2. if 从句用___________，主句也用__________， 主现从现 如果我把玻璃杯扔掉，它就会摔碎。 If I _______ a glass, it ________. 一般现在时 一般现在时 drop breaks 小结②：条件状语从句If 4. if 从句可以放在________或者________；如果if 从句放在主句前面，要加_______隔开。 主句前面 主句后面 逗号 A1 Match the possible actions with the results to make if sentences Exercise P103 A: What happens if you take a fish out of water? B: It dies. A: Are you sure? B: Of course, I’m sure. If I take a fish out of water, it dies. Pair work Let’s talk! Summary: What we have learnt today 条件状语从句 if从句引导 主将从现 主现从现 时态口诀: 可能发生 必然发生 客观事实 1. He will help me with my Maths if he _______ free. A. was   B. will be   C. would be    D. is 2. If you _______ to the party, you _______ a great time． A. will go; will have B. go; have C. go; will have D. will go; have Test yourself 一、 选择填空。 3.If you _______ salt into water, it _______. A. put; will disappear B. will put; disappears C. will put; will disappear D. put; disappears 4. If you heat ice, it ____ into water. A. will turn B. turn C. turns D. turned Test yourself 二、 用括号中所给词的适当形式填空。 If Marcia ____(live) alone, she____ (keep) a pet dog. Flowers ____ (die) if you ________ (not water) them for a long time.