Употребление модальных глаголов Can (Could) и May (Might)

CAN ????????????:

1. ??? ????????? ??????????? ??? ??????????? ????????? ???????? (? Indefinite Infinitive*).
   I can do it now. ? ? ???? ??????? ??? ??????.
2. ????? ?? ??????????? ???????????, ??? ???????? ? ???????????????? ??????????? (c Perfect Infinitive**).
   He cannot have done it. ? ?? ????? ????, ????? ?? ??? ??????.

---

COULD ????????????:

1. ??? ????????? ??????????? ??? ??????????? ????????? ???????? ? ??????? (? Indefinite Infinitive).
   He could swim very well when he was young. ? ?? ???? ?????? ???????, ????? ??? ???????.
2. ? ????????? ????, ????????? ?? ??????? ? ????????? ??????? (? Indefinite Infinitive ? Perfect Infinitive).
   I said that he could speak English. ? ? ??????, ??? ?? ????? ???????? ??-?????????.
   I said that he couldn't have done that. ? ? ??????, ??? ?? ?? ??? ????? ???????.
3. ? ??????? ????? ???????? ???????????:
   ?) ? ???????? ???????????? ??????? ???? (? Indefinite Infinitive).
   If he tried, he could do it. ? ???? ?? ?? ??????????, ?? ??? ?? ??? ???????.
   ?) ? ???????? ???????????? ???????? ???? (? Perfect Infinitive).
   If he had tried, he could have done it. ? ???? ?? ?? ??????????, ?? ??? ?? ??? ???????.

---

MAY ????????????:

1. ??? ????????? ?????????? (? Indefinite Infinitive).
   You may go home now. ? ?? ?????? ?????? ????? ?????.
2. ??? ????????? ?????????????:
   ?) ???????????? ? ?????????? ??? ???????? (? Indefinite Infinitive).
   It may rain today. ? ???????, ????????, ????? ?????.
   ?) ???????????? ? ?????????? (? Perfect Infinitive)
   He may have returned to London. ? ??, ????????, ??????????? ? ??????.

---

MIGHT ????????????:

1. ? ????????? ????, ????????? ?? ??????? ? ????????? ???????:
   ?) ??? ????????? ?????????? (? Indefinite Infinitive).
   She said that he might take her doctionary. ? ??? ???????, ??? ?? ????? ????? ?? ???????.
   ?) ??? ????????? ????????????? (? Indefinite Infinitive ? Perfect Infinitive).
   He said that she might know their address. ? ?? ??????, ??? ???, ????????, ????? ?? ?????.
   He said that she might have lost their address. ? ?? ??????, ??? ???, ????????, ???????? ?? ?????.
2. ? ??????? ????? ???????? ???????????:
   ?) ? ???????? ???????????? ??????? ???? (? Indefinite Infinitive).
   If you tried, you might get the book. ? ???? ?? ?? ???????????, ?? ????? ?? ??????? ??? ?????.
   ?) ? ???????? ???????????? ???????? ???? (? Perfect Infinitive).
   If he had been here, he might have helped us. ? ???? ?? ?? ??? ?????, ?? ??? ?? ??? ??????.

---

??????? ? ???????????? CAN (COULD) ? MAY (MIGHT)

???? ?????? ???? ????????????? ?? ????????? ????????, ? ?????????, ????, ?? ???????????? CAN (COULD). ???? ?? ?????? ???? ????????????? ?? ????????? ???????????, ?? ???????????? MAY (MIGHT). ????????:
Can I come in? - Yes, you can. - ??????? ????? ?????????? ??????????? ?????, ?.?. ??, ?? ????????? ???????? ??? ???????.
May I come in? - Yes, you may. - ??????? ????? ?????????? ?????, ?.?. ??, ??? ???????????, ??????????? ??? ???????.

---

*Indefinite Infinitive - ?????????????? ?????????, ??????? ????? ??????????. ?????????? ??? ?????? ???????????????? ???????.
**Perfect Infinitive - ?????????? ?????????, ??????? ????? ??????????. ?????????? ? ??????? ??????? to have + Past Participle (????????? ?????????? ???????).

?????? ?????? ??? ???????? ?????? ?? ??????