高中英语试讲 语法虚拟语气

New robot will have many different shapes.Some look like humans, and others might look like snakes.If buildings fall down with people inside, snake robots will be able to help look for people under the buildings. That may not seem possible now, but computers and rock it seemed impossible hundred years ago, we never no what will happen in the future.导入Good morning class, How was your weekend？Mary? You went to the theme park? Lisa, you attended a dance club? You all have a very pleasant weekend. Okay let's get started. I have a video clip here. Let’s watch it together and tell me what is it about? //The video is over. What is it？ Yes, it’s a movie called transformers. And in this movie there are many super power cars that can change into human figures, right? So these are kind of robots. I have a question “What kind of robot do you like?” Jack? You like robot that can help you to sweep the floor? Ah, lazy boy. Peter? You are now learning to play violin now? So you like robot that could help you to practice? Ok, very hardworking. Helen. You like robot that can help you with your health problem just like Baymax. Wow, yes. That would be helpful.新授And today we have a short passage also about robot. Do you want to know what is it about? Ok, let’s skim the passage for 2 minutes. Finished? So what is it about? Let’s say it together. Yes, it’s about some kind of new robots, right? Then will new robots have different shapes? Yes. Where is the answer in the passage? Oh, it’s the first sentence. So “New robot will have many different shapes.” Then what do they look like? Human? Anything else? You haven’t notice that? That’s ok. Let’s read this passage again and find out.// Finished? So now who can tell me other shapes of new robots? “snakes”? oh good. But what can snake robots do? Iris. Iris said If buildings fall down with people inside, snake robots will be able to help look for people under the buildings. (板书) Is she right? Very good. You read this passage very carefully, I can tell. Sit down please. So class. Let’s look at the sentence on the blackboard, can you find the structure of this sentence? Fern? Oh, you said that this is a sentence that contains one main clause and one…subordinate clause? Is he right? yes. Anything else? No? Ok, then can you find that the verb tense is different? Yes. It’s different. So what’s the verb tense of the main clause? Yes, it’s simple future tense. And what’s that in the subordinate clause? Yes, it’s the simple present tense. And tell me again. What’s this whole sentence called? It’s an conditional clause lead by if. And this thing “snake robots will be able to help look for people under the buildings” will definitely happen. So we call this whole sentence “sentence of real condition”. And in this case we should pay attention to the verb tense. That is, let’s say it again. We should use simple present tense in the subordinate clause, and use simple future tense in the main clause. Clear? 练习Now look at the bl