7B unit 5 教案Vocabulary,Grammar,
9 students do part a2 first on their own and then check their completed sentences with a partner , then ask students to read the conversation in pairs .
10 check answers as a class, remind them to write the pattern into their grammar pattern books together with their own examples.
part b
1 tell students that they are now able to talk about their present and past abilities using “can/could” . introduce the idea that we also use “can/could” to express possibilities .
2 ask students to study the tables at the top of the page to clarify the use of “can/could” and their negative forms .
3 explain to students the concept of possibility . we use “can” to say that something is possible . we use “could” to something was possible . however, we are not talking about the chances that something will happen . provide examples using students’ own experience :
school finishes at 4 p.m. the bus leaves at 4:10p.m. we can take the bus home .
it will be warm tomorrow so we can wear short sleeves .
4 ask them to do partb1 in pairs , for less able students , allow them refer to the table on the top of page 80 .