English verb conjugation
CAN CONCATENATE

Regular verb: concatenate - concatenated - concatenated

Affirmation

Simple form	V-ing form
I can concatenate you can concatenate he can concatenate we can concatenate you can concatenate they can concatenate	I can be concatenating you can be concatenating he can be concatenating we can be concatenating you can be concatenating they can be concatenating
Perfect	V-ing perfect
I can have concatenated you can have concatenated he can have concatenated we can have concatenated you can have concatenated they can have concatenated	I can have been concatenating you can have been concatenating he can have been concatenating we can have been concatenating you can have been concatenating they can have been concatenating

Negation

Simple form	V-ing form
I cannot concatenate you cannot concatenate he cannot concatenate we cannot concatenate you cannot concatenate they cannot concatenate	I cannot be concatenating you cannot be concatenating he cannot be concatenating we cannot be concatenating you cannot be concatenating they cannot be concatenating
Perfect	V-ing perfect
I cannot have concatenated you cannot have concatenated he cannot have concatenated we cannot have concatenated you cannot have concatenated they cannot have concatenated	I cannot have been concatenating you cannot have been concatenating he cannot have been concatenating we cannot have been concatenating you cannot have been concatenating they cannot have been concatenating

Interrogative form

Simple form	V-ing form
can I concatenate? can you concatenate? can he concatenate? can we concatenate? can you concatenate? can they concatenate?	can I be concatenating? can you be concatenating? can he be concatenating? can we be concatenating? can you be concatenating? can they be concatenating?
Perfect	V-ing perfect
can I have concatenated? can you have concatenated? can he have concatenated? can we have concatenated? can you have concatenated? can they have concatenated?	can I have been concatenating? can you have been concatenating? can he have been concatenating? can we have been concatenating? can you have been concatenating? can they have been concatenating?

Interro-negative form

Simple form	V-ing form
can I not concatenate? can you not concatenate? can he not concatenate? can we not concatenate? can you not concatenate? can they not concatenate?	can I not be concatenating? can you not be concatenating? can he not be concatenating? can we not be concatenating? can you not be concatenating? can they not be concatenating?
Perfect	V-ing perfect
can I not have concatenated? can you not have concatenated? can he not have concatenated? can we not have concatenated? can you not have concatenated? can they not have concatenated?	can I not have been concatenating? can you not have been concatenating? can he not have been concatenating? can we not have been concatenating? can you not have been concatenating? can they not have been concatenating?