English verb conjugation
CAN COMPREHEND

Regular verb: comprehend - comprehended - comprehended

Affirmation

Simple form	V-ing form
I can comprehend you can comprehend he can comprehend we can comprehend you can comprehend they can comprehend	I can be comprehending you can be comprehending he can be comprehending we can be comprehending you can be comprehending they can be comprehending
Perfect	V-ing perfect
I can have comprehended you can have comprehended he can have comprehended we can have comprehended you can have comprehended they can have comprehended	I can have been comprehending you can have been comprehending he can have been comprehending we can have been comprehending you can have been comprehending they can have been comprehending

Negation

Simple form	V-ing form
I cannot comprehend you cannot comprehend he cannot comprehend we cannot comprehend you cannot comprehend they cannot comprehend	I cannot be comprehending you cannot be comprehending he cannot be comprehending we cannot be comprehending you cannot be comprehending they cannot be comprehending
Perfect	V-ing perfect
I cannot have comprehended you cannot have comprehended he cannot have comprehended we cannot have comprehended you cannot have comprehended they cannot have comprehended	I cannot have been comprehending you cannot have been comprehending he cannot have been comprehending we cannot have been comprehending you cannot have been comprehending they cannot have been comprehending

Interrogative form

Simple form	V-ing form
can I comprehend? can you comprehend? can he comprehend? can we comprehend? can you comprehend? can they comprehend?	can I be comprehending? can you be comprehending? can he be comprehending? can we be comprehending? can you be comprehending? can they be comprehending?
Perfect	V-ing perfect
can I have comprehended? can you have comprehended? can he have comprehended? can we have comprehended? can you have comprehended? can they have comprehended?	can I have been comprehending? can you have been comprehending? can he have been comprehending? can we have been comprehending? can you have been comprehending? can they have been comprehending?

Interro-negative form

Simple form	V-ing form
can I not comprehend? can you not comprehend? can he not comprehend? can we not comprehend? can you not comprehend? can they not comprehend?	can I not be comprehending? can you not be comprehending? can he not be comprehending? can we not be comprehending? can you not be comprehending? can they not be comprehending?
Perfect	V-ing perfect
can I not have comprehended? can you not have comprehended? can he not have comprehended? can we not have comprehended? can you not have comprehended? can they not have comprehended?	can I not have been comprehending? can you not have been comprehending? can he not have been comprehending? can we not have been comprehending? can you not have been comprehending? can they not have been comprehending?