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1. To learn the regulations is difficult
=> it is...
2. To pratise swimming is good for your health
=> it is
3. To help him write his name on the board was necessary
=> it was...
4. To get acquainted with newcomers is easy
=> it is not...
1. To learn the regulations is difficult
=> it is...difficult to learn the regulations.
2. To pratise swimming is good for your health
=> it is good for your health to practice swimming.
3. To help him write his name on the board was necessary
=> it was...necessary to help him write his name on the board.
4. To get acquainted with newcomers is easy
=> it is not... difficult to get acquainted with newcomers.
1. To learn the regulations is difficult
=> it is...difficult to learn the regulations
2. To pratise swimming is good for your health
=> it is good for your health to practise swimming
3. To help him write his name on the board was necessary
=> it was...necessary to help him write his name on the board
4. To get acquainted with newcomers is easy
=> it is not... difficult to get acquainted with newcomers