Verb or phrase expressing attitude, evaluation, or comment
1) intransitive verbs of seeming or happening with the general meaning of evaluation in the active voice:
to seem, to appear, to prove, to turn out, to happen, to chance.
2) some verbs in the passive voice:
a) verbs of saying:
to say, to declare, to state, to report, to rumour.
b) verbs of mental activity:
to believe, to consider, to expect, to find, to know, to mean, to presume, to regard, to suppose, to think, to understand
c) verbs of perception:
to feel, to hear, to see, to watch.
3) phrases with some modal meaning:
to be (un) likely, to be sure, to be certain.