Present Tense Rules

Present Tense Rules

Present Indefinite:

Affirmative:

SUB+DO/DOES+V1+OBJ

Example:

I do go to Kolkata.

You do like mangoes.

He does like mangoes./He likes mangoes.

Note: In case of universal truth and habitual activities

Negative:

SUB+DO/DOES+NOT+V1+OBJ

Example:

I do not go to Kolkata.

You do not like mangoes.

He does not like mangoes.

Note: Use does in case of 3^rd person singular number of noun/pronoun (He/she/it/this/that).

Other cases do is proffered (I/we/you/they/those/these).

Present Continuous:

Affirmative:

SUB+AM/IS/ARE+ING+OBJ

Example:

I am eating rice.

You are seeing a bird.

He is playing cricket.

Note: When the work is going on.

Negative:

SUB+AM/IS/ARE+ NOT+ING+ OBJ

Example:

I am not eating rice.

You are not seeing a bird.

He is not playing cricket.

Note:

How to use AM/IS/ARE

AM= With I only.

IS= With only 3^rd person singular numbers.

ARE= with remaining cases.

Present Perfect:

Affirmative:

SUB+HAS/HAVE+V3+OBJ

Example:

I have eaten rice.

You have seen a tiger.

He has bought a pen.

Note:

When the work has just been completed.

Negative:

SUB+HAS/HAVE+NOT+V3+OBJ

Example:

I have not eaten rice.

You have not seen a tiger.

He has not bought a pen.

Note:

How to use HAS/HAVE

HAS = with 3^rd person singular number only.

HAVE = remaining cases.

Present Perfect Continuous:

Affirmative:

SUB+HAS/HAVE+BEEN+ING+OBJ+FOR/SINCE

Example:

I have been waiting for you for a long time.

They have been living here since 1986.

She has been doing this job since 2006.

Note:

When the work has been going on for a long period. May be many hours/many days/many weeks/many months/many years.

Negative:

SUB+HAS/HAVE+NOT+BEEN+ING+OBJ+FOR/SINCE

Example:

I have not been waiting for you for a long time.

They have not been living here since 1986.

She has not been doing this job since 2006.

Note:

How to use For/Since

For = Space of time.

Since =Gape of time.