Встоль не сложном вопросе. замените модальные глаголы соответствующими эквивалентами: 1) you may come here every day. 2) he could help you. 3) i must translate these sentences. 4) we can take this book from the library. 5) the engineer must know all properties of this material.

1) You might come here every day.2) He can help you.3) I mustn't translate these sentences.4) We cann't take this book from the library.5) The engineer mustn't know all properties of this material.