Second Conditional
1.If we (to take) the book, we (to know) the content of it.
2.Mr.Brown (to do) it in time, if he (to read) the note.
3. He (to visit) them if they (to be) at home.
4. They (to bring) the book if the librarian (to ask) them.
5. If the weather (to be) fine, we (to manage) to ski and skate.

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