4. Ought to
using Ought to, which means "to do", because it is functional
is "should be" and so really like
- You. Are a student you ought, to behave politely.
- Work hard and you ought to obey your teacher.
- We have been studying. English for, many years we
ought to be ableto speak it fluently.
.Note the use of Should Ought Past Tense and to
with every president to forms of the verb:
Should have Past. Participle
Ought to have Past Participle
, which indicates that the event did not happen the opposite with
.The message says, such as
- You should have come to the party yesterday. (But you didn 't.)
- You should not have left home. Last night. (But you did.)
- We ought to have obeyed him; he is ourown teacher. (But we didn 't)
Should not have. Past Participle
Ought not to have Past Participle
.Means should not be done something in the past, but has been done, such as
- The party was boring. I shouldn’ t have gone. There.
- They oughtn 't to have been absent from school yesterday.
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