Hello everyone, welcome to our english micro class. I am miss you today. We will learn a new and useful sentence type in english imperative sentences. It's very common in our daily life, and you can use IT a lot when you talk to others. Let's start our happy english learning journey. Now let's start with a fun game. sciences. I believe many of you have played this game before. When I say Simons and then a sentence, you need to do the action. If I just say the sentence without some, says, don't do, do IT IT are you ready? Let's go. Simons touch your nose. Simons's touch your eye. Simons touch your foot. Simons touch your hair. Simons touch your mouth. You all do very well. Look at these sentences on the screen. There are all the sentences we used to tell people to do something just like the game we played. Stand up where a mask open the window. Come in, turn left. Wash your hands. Let's read them together one by one. OK. These sentences are all positive, imperative sentences. Now look at these ones. Don't smoke. Don't be late. Don't talk in class, don't cry. These sentences tell people not to do something. They are negative. Imperative sentences. Do you find the difference between these and the last ones? Will learn IT clearly soon. Now lets learn the key points of imperative sentences first. The definition imperative sentences is to tell people to do or not to do something. Then the two big features feature. One, there is no subject in the sentence. We all know the hidden subject is you feature two positive sentences. Start with don't, plus the base form of a verb. Please remember these two features. They are very important. Let's have a small test. Let's judge which of these sentences are imperative sentences. Let's read all the sentences first. Now let's think one by one. I'll give you ten seconds to think okay. Let's check them later. And you can find the answer by yourself with the knowledge we learned. Now lets learn the first type of positive imperative sentences. Due type IT starts with the base form of a common verb. The first word is all the base form of the verb. This is the most common type of imperative sentences. The second type of positive imperative sentences is be type IT starts with the base form of the verb e than an adjective. So the structures be plus adjective. Next, let's learn the first type of negative imperative sentences don't type. The structure is don't plus the base form of verb in the b type negative IT don't plus be plus additive. We have learned do type b type and don't type. Now question for you, are there any other types of imperative sentences? Yes, there are two more common types, and they are very useful in our life. Let's learn them together first. No type is very common on public signs. Look at the pictures. No smoking, no swimming, no fishing, no parking, no food. These are all warning signs telling us not to do something or not to bring something. The last type is let type. IT starts with let and is used to show a request or a suggestion. Look at the examples. Let's play basketball. Let's is short for let us another one, let me help you. The structure is let, plus object pro NM, plus basement MA verb, plus others. Let's read two sentences together. What about the naval form of that type? There are two structures. First for, lets let us let somebody not do something. For example, let's play basketball. Let's not play basketball. Second, for other object pronouns, don't let somebody do something. For example, let him help you. Don't let him help you write down these two negative structures. There are a little special. Now let's do a matching game. There are four sentences and four signs. A, B, C, D. On the screen. Let's read the sentences first. One, be careful with the wet floor. Two, please don't knock on the door. Three, wash your hands properly. For do not enter, i'll give you fifteen seconds to match them with sign. Now let's check the answer together. The answer is, one match c two, much. B three match d four matches a did you watch them? All right, perfect. Now let's use what we learn to make rules for ourselves. It's a very interesting task. Think about what can you do at home? What can you do at home? Let's use the imperative sentences we learnt to write the rules. Let's see some examples together. Look at these rules on the screen. First, that don't rules, don't be lazy, don't play computer games, don't stay up late. Don't be late. For online class, these are negative imperative sentences. Then the positive rules, get up early, do homework on time where masks win, going out. Help your mother with housework. These are positive ones. You can make your own rules like this, using all the imperative sentence types we learned today. Let's have a big summary of today's lesson, all the key points of imperative sentences. First, the three main features. One, no subject, hidden subject, is you. Two starts with base, form a verb or don't plus base form three. We can add please before or after the sentence to be polite, then the classification positive imperative sentences do type b type, let type, negative imperative sentences down type no type, let type. Please review this summary carefully. It's the core of today's lesson. Toy's micro class is coming to an end. You all did a great job in this class. You played games, did exercises and made rules, and I believe you all master imperative sentences. Please practice using imperative sentences in your daily life. Talk to your family and friends with them, and you will use them more and more skillfully. Thank you for listening. See next time.