VERBS FOLLOWED BY INFINITIVES
Should is one of modal auxiliaries. Should indicates that the writer suggests that the readers do or not to do something . the words should and ought to digunakan untuk menyatakan kewajiban.
Affirmative :
Subject + SHOULD + Verb
e.g :
a. You should study
b. he ought to spend more time on his homework
Negative :
Subject + SHOULD + NOT + Verb
or
Subject + OUGHT + NOT + Verb
PAST TENSE dalam Should , Ought to
Menyatakan sesuatu tidak dilakukan pada waktu yang lalu.
Subject + SHOULD / OUGHT TO + HAVE + PAST PARTICIPLE ( Verb III )
e.g : you should have study hard ( but you did’nt study )
other functions of this modal is :
1. Giving opinion about something
e.g : I think the government should maintain the quality of education
2. Saying that something isn’t right
e.g : those children shouldn’t be playing. They should be in school.