Question

He should ________ on a diet
a) goes
b) to go
c) go
d) going
e) goinsg

Answer 1

Respuesta:

c) go

R/ He should go on a diet

Answer 2

Respuesta:

He should go on a diet.

Explicación:

The auxiliary verb should is invariable. There is only one form: should. The main verb is usually in the base form (He should go).