`Azzuri#`
Cấu trúc tổng quát :
`(+)`S+be+V-ing+at the moment/at present/now/.....
`(-)`S+be+not+V-ing+at the moment/at present/now/.....
`(?)`Be+S+V-ing+at the moment/at present/now/.....
*Note :
I+am
He/she/it/(n)+is
They/we/you//(n)-s+are
EX: I am studying Maths now.
She is playing tennis at present.
They are swimming at the moment.