keep tab

In the register I mark the initial "H" wherever a holiday is granted, and in this way I keep tab.

That is not its intention, but only to keep tab on the Sangleys, and on the profit that results from the licenses.

Unknown to Marjorie, she had determined to constitute herself a vigilance committee of one to keep tab on Mignon.

I never eat less than twelve waffles, and now that you have failed to keep tab I shall have to begin all over again.

Perky has ranged the country with him and from his data we can keep tab on the old boy.