This construction consists of a noun in the common case or a pronoun in the objective case and the infinitive (mostly Indefinite or Passive). It is always an object in the sentence.
To see
to hear
to feel
to watch
(or any lexical equivalent of the verb of sense perception)
smb. do smth.
to let
to make
to have
to get
smb. do smth.
to order
to allow
to forbid
smb. to do smth.
smth. to be done
to like
to prefer
to want
to know
to like
to expect
(or any lexical equivalent of the verb of mental activity, wish or intention)
smb. to do smth
E.g. I believe it to have been a mistake.
They reported the enemy to be ten miles away.
I want you to come along with us.
I hate you to be troubled.
I saw him get on the bus this morning.
What makes you think it was me?
Let him sit here if he wants.
The Subjective Infinitive Construction
The construction consists of a noun in the common case or a pronoun in the nominative case and any of the six forms of the infinitive. The construction is considered to be the subject of the sentence.
smb
is
was
will be
seen
heard
expected
told
ordered
asked
allowed
to do smth
to be done
smb
is
was
will be
known
supposed
believed
considered
to do smth
to be done
to be doing smth
to have done smth
to have been done
to have been doing smth
smb
is
was
will be
sure
certain
bound
(not) likely
to do smth
to be done
to be doing smth
to have done smth
to have been done
to have been doing smth
smb
seems, seemed, will seem
appears, appeared, will appear
happens, happened, will happen
proved, will prove
turned out, will turn out
to do smth
to be done
to be doing smth
to have done smth
to have been done
to have been doing smth
E.g. She was heard to laugh heartily.
He is supposed to have left.
He is said to be a good doctor.
He seems to notice nothing unusual.
The girl appeared to be everybody’s attention.
He is sure to come.
He was not likely to have made a mistake.
The for-to-Infinitive Construction
This construction consists of three elements: the prepositionfor, a noun in the common case or a pronoun in the objective case and an infinitive, mostly in its Indefinite, Passive or Continuous form. The construction has different syntactical functions in the sentence.
The Subject
It
is
was
will be
would be
hard
easy
good
bad
important
impossible
not
for smb
for smth
to do smth
to be doing smth
to be done
E.g. It will be best for her to go back home.
It’s easier for me to go out and buy new pair.
It’s silly for you to be asking me questions.
It is not for me to say so.
It
is
was
will be
nice
kind
sensible
silly
stupid
tactless
of smb
to do smth
E.g. It was silly of you to ask that question.
It is kind of you to say so.
It will be very sensible of you to go there at once.
The Object
to long
to wait
to arrange
to mean
to be anxious
for smb
to do smth
to make
to think
to believe
it
difficult
easy
necessary
important
best
for smb
to do smth
E.g. I’m anxious for you to succeed.
I have arranged for you to have a private room.
He did not mean for you to stay here.
Your attitude made it difficult for him to tell you the truth.
He thinks it best for you to stay here.
The Attribute
somebody
nothing
anyone
for smb
to do smth
man
thing
time
place
for smb
to do smth
E.g. There is no one for the children to play with.
There is nothing for me to say.
It is not the right time for us to speak about it.