人教版九年級英語下冊《It must belong to Carla》SectionA PPT課件(第1課時)，共20頁。
Warming up
—Whose ... is this?
—It must be/belong to...
Practice the conversation in the picture above.Then make conversations using the information in 1b.
A:Whose book is this?
B:It must be Mary's. J.K.Rowling is her favorite writer.
Listen again. Fill in the blanks.
1.The person__________go to our school.
2.The person__________be a boy.
3.It__________be Mei's hair band.
4.The hair band__________belong to Linda.
5.It__________be Linda's schoolbag.
Language Points
1.It must be Carla's.它一定是卡拉的。（教材第57頁）
此處must表示肯定推測，意為“一定，肯定”，通常與be連用，這種用法只用于肯定句中。
e.g.:There must be something wrong with the computer.
must表示“必須”，可用于肯定句、否定句或疑問句中，用于否定句中時，mustn't的意思是“一定不要，禁止”。
e.g.:We must find a good way to learn English well.
You mustn't play soccer in the square.
—Must I clean the classroom?
—Yes,you must.(No,you needn't./No,you don't have to.)
2.He was the only little kid at the picnic.他是野餐中唯一的小孩。(教材P57)
only此處用作形容詞，意為“唯一的，僅有的”，用來修飾名詞。
e.g.:She is the only girl in her group.
picnic名詞，意為“野餐”。常構成短語：go for a picnic去野餐；at the picnic在野餐；have a picnic野餐。
e.g.:We went to the beach for a picnic.
3.The hair band might belong to Linda.這條發帶可能屬于琳達。（教材P58）
belong to...意為“屬于……”，belong此處作不及物動詞，to為介詞，后接名詞 和人稱代詞的賓格形式，不能接名詞性物主代詞或名詞所有格。
e.g.:The book belongs to me.
These clothes must belong to Tom.=These clothes must be Tom's.
belong to不能用于進行時態。
belong to不能用于被動語態。
belong to常與名詞性物主代詞或名詞所有格進行句型轉換。
e.g.:It must belong to Carla.=It must be Carla's.
Exercise
一、選用must,might,could,can't填空。
1.The textbook___________be his.It has his name on it.
2.The trousers___________be Jim's.They are too long.
3.The guitar___________belong to Sam.He plays the guitar.
4.The toy___________be Bob's.He is the only little kid.
二、單項選擇。
( )1.The iPad isn't _______.It belongs to _______.
A.he;me B.his;me C.hers;mine D.her;mine
( )2.—David!Is that man your head master?
—It_______be him.He is having a meeting.
A.mustn't B.can't C.won't
... ... ...
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