老师
Hello everyone. Today we'll learn Unit 5, discovering useful structures. In this class, you will identify and understand the meanings and functions of some model verbs. Could, can, may, might, or two, wood, mask and etc. Express modality and talk about future events in the past. Read the following sentences, focus on the model verbs and try to find the different meanings of each group of sentences.
老师
In Group A, we can find the exam may be difficult, refers to possibility. While the exam is difficult is a fact. In Group B, you should be studying harder is advice. While you are studying harder is a fact. In Group C, I can study all night during the semester, means possibility. Well, I study all night during the semester, as a fact.
老师
Now, can you find the functions of model verbs? Summary one. The function of model verbs is to express modality. Modality means people's feeling and attitude. What modality can be expressed with modern verbs? Read the following sentences and try to