This tenses are used to express an action which is actually being done at this time.
FORM:
(+) S + to be + Verb-ing + O
ex: They are riding the bicycle
(-) S + to be + not + Verb-ing + O
ex: They are not riding the bicycle
(?) to be + S + Verb-ing + O
ex: Are they riding the bicycle?
Tidak ada komentar:
Posting Komentar