Question

"saya belajar bahasa inggris"
ubah ke dalam past tense , presenttense , dan present continuos

Answer 1

Present tense I study english Past tense I studied english Present continuos I am studying english

Answer 2

Kalimat verbal present tense :
rumus : S (I, you, they, we) + V1 / S (he,she,it) + Verb1 + S/ES
(+) I study English
(-) I don't study English
(?) Do I study English?
kalimat verbal past tense : 
rumus : S + V2
(+) I studied English
(-) I didn't study English
(?) Did I study English?
kalimat verbal present continuous :
rumus : S + To be (am, is, are) + V1-ing
(+) I am studying English 
(-) I am not studying English
(?) Am I studying English?