Для знающих английский язык

1. when much material had been looked through, and some problems had been solved, the article was published -- had been looked (through) - Past Perfect Passive; had been solved - Past Perfect Passive; was published - Past Indefinite Passive.
2. Principal points can be included in a supplement to the contract. - can be included - составное сказумое - can - Modal Verb - Present Indefinite + be included - Infinitive Indefinite Passive -- can be included - Present Indefinite Passive.
3. Today plastics are being applied for car bodies. - are being applied - Present Continuous Passive.
4. this lecture is listened to with great interest. - is listened (to) - Present Indefinite Passive.
5. A few modifications were incorporated last year. - were incorporated - Past Indefinite Passive.
6. They did not seem to notice me as the hall was full of people. - did not seem - Past Indefinite Active (negative form); to notice - Infinitive Indefinite; was (full of) - Past Indefinite Active.
7. Yesterday the work was being carried out according to the worked out plan. - was being carriout (out) - Past Continuous Passive.
8. The results are analyzed and the analysis is followed by a comparison of the data obtained with those available in literature. - are analyzed - Present Indefinite Passive; is followed - Present Indefinite Passive.
9. the student is known to have been studying English for several years. - is known - Present Indefinite Passive; to have been studying - Infinitive Perfect Continuous.