1. after auxiliary verbs .We shall go there at once.

2. After modal verbs (except ought to… and have to…)

If one can't have what one loves, one must love what one has.

3. after verbs denoting sense perception (to hear, to see, to feel, to watch, to notice, to observe, …) I felt my heart beat as if at a great victory.

! Note: after the verbs “ to see, to hear, to feel” in the meaning of “знать,понимать”the to-Infinitive is used. I heard him to return to Moscow. (мы слышали: знаем, кто-то сказал нам об этом)

4. after the verb "to let". Let us be the best friends in the world.

5. after the verbs "to make", "to have" in the meaning of "заставлять".

What makes you think so?

6. after the verb "to know" (= to see, to observe)

I have so often known a change of medicine work wonders.

! Note : in the Passive Voice the to-Infinitive is used after the verbs of the above mentioned groups. He was heard to mention your name several times.

7. after the expressions: had better cannot but

would rather nothing but

would sooner cannot choose but

He has nothing to do but wait. You had better go to bed.

8. in the infinitive sentences beginning with "Why …"

Why not come and talk to her yourself?

8. after the verb "to bid" (просить, приказывать) (bid-bade-bidden)

She would bid me have dinner with them.

8. after the verb “to help” (Am. English).

• The Objective-with-the-Infinitive Construction. Complex Object (сложное дополнение) with the Infinitive.

Noun in the Common case (mother, John)

or + the Infinitive

Pronoun in the Objective case (me, you, him, her, us, them)

I saw him cross the street. - Я видел, как он перешёл улицу.

---------------------------------------------------------------------------------------------------

Оборот"объектный падеж с инфинитивом" играет роль одного члена предложения, а именно сложного дополнения. Так, в предложении I saw him cross the street дополнением к глаголу saw является не him (cf. I saw him - Я видел его), а him cross.

В обороте "объектный падеж с инфинитивом" существительное или местоимение выражает лицо (или предмет), совершающее действие, выраженное инфинитивом, или подвергающееся этому действию.

Перевод предложений, содержащих данный оборот, на русский язык осуществляется преимущественно при помощи сложноподчинённых предложений.

------------------------------------------------------------------------------------------------------

The Use :

1. after the verbs denoting sense perception (to hear, to feel, to observe, to notice, to watch, to see, …) I haven't heard anyone call me.

2. verbs denoting mental activity (to know, to think, to consider, to believe, to expect, to suppose, to imagine, to trust, to find, …)

I know you to be the most loving father.

3. Verbs/expressions denoting feelings and emotions

(to like, to dislike, to love, to hate, cannot bear, cannot stand, …)

I dislike you to talk to me like that.

4. verbs denoting wish and intention (to want, to wish, to desire, to intend, to mean, I'd like, …) I want you to come and dine with us.

5. verbs denoting compulsion (to make, to have, to get, to cause, …)

The noise caused her to awake.

6. verbs denoting order and permission (to order, to allow, to let, to suffer, to have,…) She had never allowed the name of John Gordon to pass her lips.

7. verbs of declaring (to pronounce, to declare, to report,…)

The surgeon pronounced the wound to be a slight one.