12 TENSES

PRESENT (main verb)

I eat food.

I do not eat food.

Do I eat food?

PRESENT CONTINUOUS TENSE (form of "be" verb + "ing" form of main verb)

I am eating food.

I am not eating food.

Am I eating food?

PRESENT PERFECT (have or has + past participle of verb)

I have eaten food.

I have not eaten food.

Have I eaten food?

PRESENT PERFECT CONTINUOUS (have or has + been + "ing" form of main verb)

I have been eating food.

I have not been eating food.

Have I been eating food?

PAST (past tense of main verb)

I ate food.

I did not eat food.

Did I eat food?

PAST CONTINUOUS (past tense of form "be" verb + "ing" form of main verb)

I was eating food.

I was not eating food.

Was I eating food?

PAST PERFECT (had + past participle of verb)

I had eaten food.

I had not eaten food.

Had I eaten food?

PAST PERFECT CONTINUOUS (had + been + "ing" form of main verb)

I had been eating food.

I had not been eating food.

Had I been eating food?

FUTURE (will or shall + main verb)

I will eat food.

I will not eat food.

Will I eat food?

FUTURE CONTINUOS (will or shall +be + "ing" form of main verb)

I will be eating food.

I will not be eating food.

Will I be eating food?

FUTURE PERFECT (will or shall + have + past participle of verb)

I will have eaten food.

I will not have eaten food.

Will I have eaten food?

FUTURE PERFECT CONTINUOUS (will or shall + have + been + "ing" form of main verb)

I will have been eating food.

I will not have been eating food.

Will I have been eating food?