Unit 5 It must belong to Carla.Section A

课件19张PPT。Unit 5It must belong to CarlaPeriod 11a. Look at the picture. Write the things you see in the correct column in the chart.bookjacketCDcupsT-shirttoy carmagazineGuess what animals are these according to their voices .Say your answer using:Play a guessing game:“The voice must belong to a …’’New wordsbelong (to) ----- be owned by somebody
author ----- someone who writes books or
stories
picnic ----- a meal you eat outside, away from
home
hair band ----- a strip used for tying up your
hair
possibly ----- perhaps, maybe 1b. Listen and match each person with a thing and a reason.1c.
Practice the conversation in the picture
on page 34 of the students’ book. Then
make conversations using the information
in the chart in 1b.
Model:PairworkA: Whose book is this?
B: It must be Mary’s.
Hemingway is her favorite
author.2a. Bob and Anna found a backpack in front of their school. Listen and write down the things in the backpack.T-shirthair bandtennis balls2b. Listen again. Fill in the blanks. mustcan’tcouldmightmust
Use “must’’ to show that you think something is probably true.
Use “might’’ or “could’’ to show that you think something is possibly true.
Use “can’t’’ to show that you are almost sure something is not true.（must, might, could和 can’t表示推测的用法）How to use must, might, could and can’t
to make inferences.Prize-winning activityUse “must”, “might”, “could” or “can’t” to
make inferences from the pictures:“Who is that?”Consolidation and Extension巩固和拓展情态动词　can, could, may, might, must 　用法小结：can意为“会”、“可以”、“可能”，表示能力、许可、推测．
(1) I can swim.　　（能力）
(2) Can you lend me your bike? （许可或请求）
(3) It can bring more trouble. （推测）※could为can的过去形式，用法有三:※(1) 过去的能力．
He could play the piano when he was six years old.
(2) 表示请求时，could比can更委婉客气．
Could you help me?
(3) 表示推测时，could比can的可能性更小．
It could be true.may意为“可以”、“可能会”，表示许可或推测.

(1) May I come in ? (许可)
(2) He may be right . (推测)※might是 may的过去式，用法与 may相同,　但
表示许可时,口气比may更委婉.
Might I borrow your pen?
(2) 表示推测时，可能性比 may 小.
He might come soon.※※
must意为“必须”，“肯定、一定”，表示命令、推测等．
(1) You must obey the rules. （命令）
(2) He must be ill. （推测）
Homework for todayFinish off 2c： Fill in the blanks with “must”,
“might” ,“could” or “can’t”. Then tell your
partner why you chose the words.Thank youandGoodbye !Oct.10