Answer:

1)

Present simple tense = Students study at home

Present continuous tense = Students are studying at home

Present perfect tense = Students have studied at home

Present perfect continuous tense = Students have been studying at home

2)

Present simple tense = My teacher teaches English

Present continuous tense = My teacher is teaching English

Present perfect tense = My teacher have taught English

Present perfect continuous tense = My teacher have been teaching English

Present simple tense :

(+) S + V1

(-) S + do not (don't)/does not (doesn't) + V1

(?) Do/Does + S + V1?

I/you/they/we = do

He/she/it = does

Present continuous tense :

(+) S + to be (am/is/are) + V1-ing

(-) S + to be (am not/is not (isn't)/are not (aren't)) + V1-ing

(?) To be (am/is/are) + S + V1-ing?

I = am

He/she/it = is

You/they/we = are

Present perfect tense :

(+) S + have/has + V3

(-) S + have not (haven't)/has not (hasn't) + V3

(?) Have/Has + S + V3?

I/you/they/we = have

He/she/it = has

Present perfect continuous tense :

(+) S + have/has + been + V1-ing

(-) S + have not (haven't)/has not (hasn't) + been + V1-ing

(?) Have/Have + S + been + V1-ing?

I/you/they/we = have

He/she/it = has

Maaf jika ada yang salah