英文e-mail 寫If you have any question 竟然是錯的？

（O）If there is any question, please let me know. （O）Should you have any question, please let me k...

If you have any questions, please don't hesitate to call me. 如果你有問題，請不要猶豫打電話給我。 那，究竟要用哪個呢？

These matters include the questions whether: (a) the grantor has to be the same person as the bor...

4 and 1 are the correct ones in terms of grammar. 4 is the most natural one and it's what you'd u...