Укажите время глаголов в предложениях 1. they are discussing an important question 2. He...

Question

Укажите время глаголов в предложениях
1. they are discussing an important question 2. He works in the library 3. He is a very experienced teacher 4. I have known him since 1940
Помогите, кому не трудно))

Answer 1

1 present progressive
2 present simple
3 present simple
4 present perfect

Answer 2

1. They are discussing an important question - Present Continuous
2. He works in the library. - Present Simple
3. He is a very experienced teacher. - Present Simple
4. I have known him since 1940. - Present Perfect