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 can't comprehend you can't comprehend he can't comprehend we can't comprehend you can't comprehend they can't comprehend	I can't be comprehending you can't be comprehending he can't be comprehending we can't be comprehending you can't be comprehending they can't be comprehending
Perfect	V-ing perfect
I can't have comprehended you can't have comprehended he can't have comprehended we can't have comprehended you can't have comprehended they can't have comprehended	I can't have been comprehending you can't have been comprehending he can't have been comprehending we can't have been comprehending you can't have been comprehending they can't 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't I comprehend? can't you comprehend? can't he comprehend? can't we comprehend? can't you comprehend? can't they comprehend?	can't I be comprehending? can't you be comprehending? can't he be comprehending? can't we be comprehending? can't you be comprehending? can't they be comprehending?
Perfect	V-ing perfect
can't I have comprehended? can't you have comprehended? can't he have comprehended? can't we have comprehended? can't you have comprehended? can't they have comprehended?	can't I have been comprehending? can't you have been comprehending? can't he have been comprehending? can't we have been comprehending? can't you have been comprehending? can't they have been comprehending?