Infinitive structures with THINK, BELIEVE, SEEM, CONSIDER, UNDERSTAND, KNOW, REPORT, SAY, EXPECT

Active	Passive
People say that he speaks French	He is said to speak French (It is said that he speaks French)
People say that he spoke French	He is said to have spoken French (It is said that he spoke French)
People say that he has spoken French	He is said to have spoken French (It is said that he has spoken French)
Mary says that he is learning French now	He is said to be learning French now (It is said that he his learning …)
People expect that he will come here next week	He is expected to come next week (It is expected that he will come next week)
SEEM and APPEAR are used without the verb BE
Present Tense in the main clause
It seems that he is staying in France now. It seems that he is ill		He seems to be staying in …..
				He seems to be ill
It seems that he was ill		He seems to have been ill
It seems that he was staying in France for 2 weeks.		He seems to have been staying in France for 2 weeks.
It seems that he has been ill		He seems to have been ill
Past Tense in the main clause
It seemed that he was ill	He seemed to be ill
It seemed that he had been ill	He seemed to have been ill
It seemed that he had been working as a journalist	He seemed to have been working as a journalist

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