English verb conjugation
CAN CONCATENATE

Regular verb: concatenate - concatenated - concatenated

Affirmation

Simple form	V-ing form
I can concatenate you can concatenate she can concatenate we can concatenate you can concatenate they can concatenate	I can be concatenating you can be concatenating she 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 she 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 she 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 she cannot concatenate we cannot concatenate you cannot concatenate they cannot concatenate	I cannot be concatenating you cannot be concatenating she 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 she 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 she 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 she concatenate? can we concatenate? can you concatenate? can they concatenate?	can I be concatenating? can you be concatenating? can she 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 she 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 she 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 she 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 she 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 she 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 she not have been concatenating? can we not have been concatenating? can you not have been concatenating? can they not have been concatenating?