By (some time), (sentence)

Use this phrase to talk about a continuing situation. You use "By ___" to describe the situation's progress at a certain point in time. For example:

By Saturday, the forest fire had reached several hundred homes.

If it keeps going like this, by next week, we will have raised over one hundred thousand dollars.

By noon on the first day, we were already yelling at each other and ready to go home.

This phrase appears in these lessons: