Question

what is the structure of present tense?​

Answer 1

Answer:

Structure: Subject (third person singular number) + verb in simple present form + s/es + . . . . . Subject (all other kinds) + verb in simple present form + . . . . . Note: When 'be' verbs work as the main verb in a sentence, they are different from the above structures.

Answer 2

Answer:

There are many structures for present tense..

Explanation:

For present indefinite tense,

1.)sub+v¹/v5+obj

For present perfect tense,

2.)sub+have/has+v3+obj

For present continuous tense,

3.)sub+is/am/are+v4+obj

The last one is,,

present perfect continuous tense,,

4.)sub+have/has+been+v4+since/for+time+obj..

v5=s/es form

v4=ing form

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