Модальные глаголы и их эквиваленты, выражающие долженствование

ВЫРАЖАЮЩИЕ ВОЗМОЖНОСТЬ.

Степени сравнения прилагательных

Краткий грамматический справочник

в таблицах

The Positive Degree	TheComparative Degree	The Superlative Degree
cold easy big	colder easier bigger	the coldest the easiest the biggest
difficult soluble	more difficult less soluble	the most difficult the least soluble
remember
good well   bad badly   little   many much   far     late     old	better     worse     less   more     farther futher   later     older elder	the best     the worst     the least   the most     the farthest the futhest   the latest the last   the oldest the eldest

МОДАЛЬНЫЕ ГЛАГОЛЫ И ИХ ЭКВИВАЛЕНТЫ,

	Present	Past	Future
CAN to be able to   Выражает реальную возможность, физическую или умственную способность.	CAN   am \ is ̶ ̶ able(to) / are   I can do it. (I am able to do it).	COULD   was \ able(to) / were   I could do it (I was able to do it).	—   shall \ be able(to) / will   I shall be able to do it.
MAY to be allowed (to)   Выражает допущение возможности, разрешение совершить действие.	MAY   am \ is ̶ ̶ allowed (to) / are   You may go home now.	MIGT   was \ allowed(to) / were   He said I might smoke here. She was allowed to go home.	—   shall \ be able(to) / will   You will be allowed to swim.

Present

Past

Future

with Perfect Infinitive

MUST Выражает долженствование  

MUST I must do it now. You mustn’t do it.

—  

—  

—  

TO HAVE (TO) Выражает вынужденную необходимость

have to

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