Chia động từ ở dạng đúng : 1. John and Mandy _____ (clean) the kitchen now. 2. I ____ ( not read ) a book at the moment . 3. It ____ (rain) now ? 4. We _____ (sing) a new song right now ?

$1. $ are cleaning

$→$ DHNB: now

$2. $ am not reading

$→$ DHNB: at the moment

$3. $ Is it raining now?

$4. $ Are we singing

$→$ DHNB: right now

$*$ Thì HTTD: 

$(+)$ S + am/is/are + Ving

$(-)$ S + am/is/are + not + Ving

$(?)$ Am/Is/Are + S + Ving?

$-$ I + am

$-$ He,she,it,N(số ít) + is

$-$ You,we,they,N(số nhiều) + are