Question

identify the sentence that includes a model auxiliary verb
a) i ought to have studied for the exam ; it was harder than i expected it was going to be
b) i did not know the answer to question five.
c)james left the exam after only thirty minutes
d) i hope i do not have to repeat the course

say me the write answer if know i will report ​

Answer 1

Answer:

a) model auxiliary :- ought to