1. Where his wife (be)? a. am b. is c. are d. be 2. Jack (wear) ..suit today. a. is wearing b. are wearing c. am wearing d. wears

Công thức thì HTĐ (V: tobe)

(+) S + am/is/are ..

(-) S + am/is/are + not .. 

(?) Am/Is/Are + S + ... ? 

I + am

S số ít, he, she, it + is

S số nhiều, you ,we, they + are

Công thức thì HTTD 

(+) S + am/is/are + Ving 

(-) S + am/is/are + not + Ving 

(?) Am/Is/Are +S +Ving? 

DHNB: now, right now, (!), at present, at the moment,.....

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1. B

His wife: vợ của anh ấy --> S số ít 

2. A 

DHNB: today (HTTD)

`color{orange}{~LeAiFuRuiHuiBao~}`