精选优质文档-倾情为你奉上Unit 8 Grammar Focus Class TypeGrammarObjectives1. To understand the modal verbs “must, might, could, cant” for making inferences. 2. To practice using the modal verbs to make sentences.Key structure1. Whose volleyball is this? It must be Carlas. She loves volleyball.2. Whose hair band is this? It could be Meis. Or it might belong to Linda. They both have long hair.3. What did you see that night? Im not sure, but it cant be a dog. Difficultie