Choose the right variant: I … my work by next Monday. am finishing finished will

I am finishing my work by next Monday. — Я заканчиваю свою работу к следующему понедельнику.

The sentence is in Present Continuous. Present Continuous shows an action that takes place at the moment of speech. But sometimes present Continuous used for actions in future. Present Continuous is formed with the help of auxiliary verb to be and the suffix – ing is added to the verb. The forms of to be are am for the first person singular. Is for the third person singular and are for plural.