Exercise 1

EXERCISE A (Skills 1-2) No. 1

In the morning after the concert was tired.

The sentence is incorrect or wrong (W). it’s already has a verb (tired) and extra verb (was), but  there's no subject. To be correct it need a verb like he, she or it.

In the morning after the concert he was tired.

EXERCISE C (Skills 1-2) No. 7

The dishes in the sink really need to be washed as soon as possible.

Not like the sentences above, this sentences already has a subject (the dishes) and verb (need to be washes), so it’s correct or right (R).

TOEFL EXERCISE (SKILLS 1-2) No. 2

Early……toes instead of hooves on their feet.

a. horses (subject)                                         

b.had horses (verb3+subject)                   

c. horses had (subject+verb2)

d.horses having (subject+verb1+ing)

That sentences is need a subject + verb2 and it’s found on c