Infinitive

INFINITIVE

FORMS I was glad to meet you = I was glad that I met you then. || NEGATIVE FORM - not to do - She asked me **not to go** there FUNCTIONS __**The man seems to work**__ here. __**The man is certain to work**__ here. || Известно, что этот мужчина работает здесь. Кажется, этот мужчина работает здесь. Несомненно, этот мужчина работает здесь. || verbs of mental activity to seem/ to appear - казаться, по-видимому;to prove/ to turn out - оказываться; to happen - случаться, довелось
 * || ACTIVE VOICE || PASSIVE VOICE ||  ||   ||
 * INDEFINITE || to do || to be done || show simultaneous actions || I'm glad to meet you = I am glad now and I meet you now.
 * CONTINUOUS || to be doing || - || show simultaneous actions || She was seen to be going away = She was going away when she was seen. ||
 * PERFECT || to have done || to have been done || show prior actions || I am glad to have met you at the conference = I am glad now that I met you some time ago. ||
 * PERFECT CONTINUOUS || to have been doing || - || show prior actions || He is know to have been working on the project for two weeks = We know that now but he started two weeks ago. ||
 * SUBJECT (Подлежащее) || **__To think__** is to live. || Думать - значит жить. ||  ||
 * COMPLEX SUBJECT (оборот сложное подлежащее) || __**The man is know to work**__ here.

to be certain/ to be sure - несомненно, безусловно; to be likely - вероятно; to be unlikely - маловероятно || He proved __**the theory to be**__ correct. We saw __**him make**__ the experiment. || Я хочу, чтобы ты провел эксперимент. Он доказал, что эта теория правильна. Мы наблюдали, как он делал опыт. || to want, to wish, would like to
 * OBJECT (дополнение) || I forgot __**to tell**__ you what happened at the party. || Я забыла рассказать тебе.... ||  ||
 * COMPLEX OBJECT (оборот сложное дополнение) || I want __**you to carry out**__ the experiment.

verbs of mental activity

verbs of sense perception require bare infinitive ||
 * Part of a predicate (часть сказуемого) || I __**am to do**__ these exercises. || Я должна сделать эти упражнения. ||  ||
 * Attribute (определение) || The problem __**to be discussed**__ at our next seminar is very significant for.... || Проблема, которую надо обсудить на следующем семинаре, очень важна для..... || which? ||
 * Adverbial modifier of purpose (обстоятельство цели) || (In order) __**To understand**__ this rule you must.... || (Для того,) Чтобы понять это правило, ты должен..... || what for? ||
 * Adverbial modifier of result (обстоятельство следствия) || Molecules are too small __**to be seen**__ even with a microscope. || Молекулы слишком малы, чтобы их можно было увидеть даже под микроскопом. || why? ||