works `->` is working

helps `->` is helping

move `->` are moving

isn't snow `->` doesn't snow

looking after `->` is looking after

isn't crying

HTTD : S `+` tobe (not) `+` V `-` ing / Tobe `+` S `+` V `-` ing `?`

Dấu hiệu : now,at the moment,at present,......

Tobe : is/am/are

Tobe (not) : isn't/am not/aren't

he/she/it `+` is

I `+` am

you/we/they `+` are

$@linhlinh33$

$\text{1.}$ works→ is working
$\\$$\text{2.}$ help → is helping
$\\$$\text{3.}$ move → are moving
$\\$$\text{4.}$  not snow → doesn't snow
$\\$$\text{5.}$ look after → is looking after
$\\$$\text{6.}$ not cry → isn't crying

$\\$$\text{1.}$Công thức:  HTTD:
$\\$(+) I + am + V - ing
$\\$$\\$She / he / it + is + V - ing
$\\$We / You / They + are + V - ing
$\\$(-) I + am not + V - ing
$\\$She / he / it + isn't / is not + V - ing
$\\$We / you / they + aren't / are not + V - ing
$\\$(?) Is/ Am/ Are + S + V - ing?
$\\$$\text{2.}$ Dấu hiệu nhận biết
$\\$- Now, right now, at present, at the moment.
$\\$- Tomorrow, next/ the following ... , in .... , on ...., at ....., tonight.
$\\$- Today , this week.
$\\$- Look ! Listen !