The more careful you are, the fewer mistakes you’ll make．

We concluded that it was the weather that prevented the trees coming into flower．

It is what he did that made us feel annoyed．

Where is it that he lost the precious picture?

It was when he received the letter that he realized that he had wronged his mother．

It is I who am to blame for the accident．

To give the last measure of devotion．

I could only devote two hours a day to work on the project．

She devoted herself to her career．

At first glance the problem seemed easy．