`1`.They are playing badminton at the moment
`2`.I am reading an interesting novel  at present
`3`.My father is watching the news now
`4`.Nam is studying his lesson now
`5`.He is swimming at the moment
-----------------------------
Cấu trúc của thì HTTD
(+)S+to be+V-ing+O
(-)S+to be+not+V-ing+O
(?)To be+S+V-ing+O?
`->` Đối với He/she/it/danh từ số ít+is
`->`Đối với I/They/we/danh từ số nhiều+are
DHNB:Now,at the moment,at present,now,...................

They / play / badminton / at the moment 

=> They're playing badminton at the moment.

I / read / an interesting novel / at present 

=> I'm reading an intersting novel at present.

My / father / watch / the news / now 

=> My father is watching the new now.

Nam / study / his lesson / now 

=> Nam is studying his lesson now

He / swim / at the moment 

=> He is swimming at the moment

..........................................................................

- Thì HTTD

- DH: at the moment, at present, now

- Cấu trúc: (+) S + be + V-ing + O