Now that you have done the exercise on the fundamentals of Subject-Verb Agreement, the correct grammar answers are here.
N.B. The order of the options given in each case below is as follows:
1st person singular, 1st person plural, 2nd person, 3rd person singular, 3rd person plural.
Anita has
verb: to have
The possible options for the verb are:
I have, we have, you have, Anita has, girls have
We have chosen the highlighted answer from the options above because the subject Anita is 3rd person singular.
children jump
verb: to jump
options: I jump, we jump, you jump, a child jumps, children jump.
Children is 3rd person plural.
brothers are
verb: to be
options: I am, we are, you are, a brother is, brothers are
The word 'brothers' is 3rd person plural
girl lives
verb: to live
options: I live, we live, you live, girl lives, girls live
girl is 3rd person singular)
watchman does
verb: to do
options: I do, we do, you do, watchman does, watchmen do
The word watchman is 3rd person singular
I have
verb: to have
options: I have, we have, you have, he/she/it has, they have.
The word I is 1st person singular
brother imitates
verb: to imitate
options: I imitate, we imitate, you imitate, brother imitates, brothers imitate
brother is 3rd person singular.
neighbours play
verb: to play
options: I play, we play, you play, neighbour plays, neighbours play
The word neighbours is 3rd person plural.
boys do
verb: to do
options: I do, we do, you do, boy does, boys do
The word boys is 3rd person plural.
Madhavan is
verb: to be
options: I am, we are, you are, Madhavan is, men are
Madhavan is 3rd person singular.