Whenever a past tense verb is followed by another
verb, that second verb must be an infinitive or
present tense verb. Often the infinitive is accompanied
by an "infinitive marker"- the word to.
Use present tense infinitives after past tense
He didn't dare to swim after
I wanted him to go home early.
I had hoped to be at the meeting.
When a past tense verb hasn't been used first,
using to have been or a similar phrase
is all right.
By this time tomorrow, I want to
have finished the report.
By the end of my career, I hope to
have been recognized as an authority on