English verb conjugation
CAN STRUCTURE

Regular verb: structure - structured - structured

Affirmation

Simple form	V-ing form
I can structure you can structure she can structure we can structure you can structure they can structure	I can be structuring you can be structuring she can be structuring we can be structuring you can be structuring they can be structuring
Perfect	V-ing perfect
I can have structured you can have structured she can have structured we can have structured you can have structured they can have structured	I can have been structuring you can have been structuring she can have been structuring we can have been structuring you can have been structuring they can have been structuring

Negation

Simple form	V-ing form
I can't structure you can't structure she can't structure we can't structure you can't structure they can't structure	I can't be structuring you can't be structuring she can't be structuring we can't be structuring you can't be structuring they can't be structuring
Perfect	V-ing perfect
I can't have structured you can't have structured she can't have structured we can't have structured you can't have structured they can't have structured	I can't have been structuring you can't have been structuring she can't have been structuring we can't have been structuring you can't have been structuring they can't have been structuring

Interrogative form

Simple form	V-ing form
can I structure? can you structure? can she structure? can we structure? can you structure? can they structure?	can I be structuring? can you be structuring? can she be structuring? can we be structuring? can you be structuring? can they be structuring?
Perfect	V-ing perfect
can I have structured? can you have structured? can she have structured? can we have structured? can you have structured? can they have structured?	can I have been structuring? can you have been structuring? can she have been structuring? can we have been structuring? can you have been structuring? can they have been structuring?

Interro-negative form

Simple form	V-ing form
can't I structure? can't you structure? can't she structure? can't we structure? can't you structure? can't they structure?	can't I be structuring? can't you be structuring? can't she be structuring? can't we be structuring? can't you be structuring? can't they be structuring?
Perfect	V-ing perfect
can't I have structured? can't you have structured? can't she have structured? can't we have structured? can't you have structured? can't they have structured?	can't I have been structuring? can't you have been structuring? can't she have been structuring? can't we have been structuring? can't you have been structuring? can't they have been structuring?