English verb conjugation
CAN CONSTRUCT

Regular verb: construct - constructed - constructed

Affirmation

Simple form	V-ing form
I can construct you can construct she can construct we can construct you can construct they can construct	I can be constructing you can be constructing she can be constructing we can be constructing you can be constructing they can be constructing
Perfect	V-ing perfect
I can have constructed you can have constructed she can have constructed we can have constructed you can have constructed they can have constructed	I can have been constructing you can have been constructing she can have been constructing we can have been constructing you can have been constructing they can have been constructing

Negation

Simple form	V-ing form
I can't construct you can't construct she can't construct we can't construct you can't construct they can't construct	I can't be constructing you can't be constructing she can't be constructing we can't be constructing you can't be constructing they can't be constructing
Perfect	V-ing perfect
I can't have constructed you can't have constructed she can't have constructed we can't have constructed you can't have constructed they can't have constructed	I can't have been constructing you can't have been constructing she can't have been constructing we can't have been constructing you can't have been constructing they can't have been constructing

Interrogative form

Simple form	V-ing form
can I construct? can you construct? can she construct? can we construct? can you construct? can they construct?	can I be constructing? can you be constructing? can she be constructing? can we be constructing? can you be constructing? can they be constructing?
Perfect	V-ing perfect
can I have constructed? can you have constructed? can she have constructed? can we have constructed? can you have constructed? can they have constructed?	can I have been constructing? can you have been constructing? can she have been constructing? can we have been constructing? can you have been constructing? can they have been constructing?

Interro-negative form

Simple form	V-ing form
can't I construct? can't you construct? can't she construct? can't we construct? can't you construct? can't they construct?	can't I be constructing? can't you be constructing? can't she be constructing? can't we be constructing? can't you be constructing? can't they be constructing?
Perfect	V-ing perfect
can't I have constructed? can't you have constructed? can't she have constructed? can't we have constructed? can't you have constructed? can't they have constructed?	can't I have been constructing? can't you have been constructing? can't she have been constructing? can't we have been constructing? can't you have been constructing? can't they have been constructing?