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 can't concatenate you can't concatenate he can't concatenate we can't concatenate you can't concatenate they can't concatenate	I can't be concatenating you can't be concatenating he can't be concatenating we can't be concatenating you can't be concatenating they can't be concatenating
Perfect	V-ing perfect
I can't have concatenated you can't have concatenated he can't have concatenated we can't have concatenated you can't have concatenated they can't have concatenated	I can't have been concatenating you can't have been concatenating he can't have been concatenating we can't have been concatenating you can't have been concatenating they can't 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't I concatenate? can't you concatenate? can't he concatenate? can't we concatenate? can't you concatenate? can't they concatenate?	can't I be concatenating? can't you be concatenating? can't he be concatenating? can't we be concatenating? can't you be concatenating? can't they be concatenating?
Perfect	V-ing perfect
can't I have concatenated? can't you have concatenated? can't he have concatenated? can't we have concatenated? can't you have concatenated? can't they have concatenated?	can't I have been concatenating? can't you have been concatenating? can't he have been concatenating? can't we have been concatenating? can't you have been concatenating? can't they have been concatenating?