Question

tenses and its structure ​

Answer 1

Answer:

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

Present Progressive (Continuous) Tense

Structure:

Subject + am/is/are + verb + ing + . . . . . . . . .