English verb conjugation
CAN EXPLAIN

Regular verb: explain - explained - explained

Affirmation

Simple form	V-ing form
I can explain you can explain he can explain we can explain you can explain they can explain	I can be explaining you can be explaining he can be explaining we can be explaining you can be explaining they can be explaining
Perfect	V-ing perfect
I can have explained you can have explained he can have explained we can have explained you can have explained they can have explained	I can have been explaining you can have been explaining he can have been explaining we can have been explaining you can have been explaining they can have been explaining

Negation

Simple form	V-ing form
I cannot explain you cannot explain he cannot explain we cannot explain you cannot explain they cannot explain	I cannot be explaining you cannot be explaining he cannot be explaining we cannot be explaining you cannot be explaining they cannot be explaining
Perfect	V-ing perfect
I cannot have explained you cannot have explained he cannot have explained we cannot have explained you cannot have explained they cannot have explained	I cannot have been explaining you cannot have been explaining he cannot have been explaining we cannot have been explaining you cannot have been explaining they cannot have been explaining

Interrogative form

Simple form	V-ing form
can I explain? can you explain? can he explain? can we explain? can you explain? can they explain?	can I be explaining? can you be explaining? can he be explaining? can we be explaining? can you be explaining? can they be explaining?
Perfect	V-ing perfect
can I have explained? can you have explained? can he have explained? can we have explained? can you have explained? can they have explained?	can I have been explaining? can you have been explaining? can he have been explaining? can we have been explaining? can you have been explaining? can they have been explaining?

Interro-negative form

Simple form	V-ing form
can I not explain? can you not explain? can he not explain? can we not explain? can you not explain? can they not explain?	can I not be explaining? can you not be explaining? can he not be explaining? can we not be explaining? can you not be explaining? can they not be explaining?
Perfect	V-ing perfect
can I not have explained? can you not have explained? can he not have explained? can we not have explained? can you not have explained? can they not have explained?	can I not have been explaining? can you not have been explaining? can he not have been explaining? can we not have been explaining? can you not have been explaining? can they not have been explaining?