Перепишите следующие предложения, определите в них у видовременные формы глаголов и укажите их инфинитив.
He studies at the institute. I am not drinking coffe now. The babe always sleeps after dinner. My grandmother doesn't work, she is on pension. Do you go to school on Sunday?

Studies - в Present simple. Инфинитив: Study

am not drinking - в Present continuous(negative-отрицание). Инфинитив: drink

sleeps - в Present simple. Инфинитив: sleep

doesn't work - в Present simple(negative-отрицание). Инфинитив: work

Do you go - в Present simple(question-вопрос). Инфинитив: go