I can decorate you can decorate she can decorate we can decorate you can decorate they can decorate
V-ing form
I can be decorating you can be decorating she can be decorating we can be decorating you can be decorating they can be decorating
Perfect
I can have decorated you can have decorated she can have decorated we can have decorated you can have decorated they can have decorated
V-ing perfect
I can have been decorating you can have been decorating she can have been decorating we can have been decorating you can have been decorating they can have been decorating
Negation
Simple form
I can't decorate you can't decorate she can't decorate we can't decorate you can't decorate they can't decorate
V-ing form
I can't be decorating you can't be decorating she can't be decorating we can't be decorating you can't be decorating they can't be decorating
Perfect
I can't have decorated you can't have decorated she can't have decorated we can't have decorated you can't have decorated they can't have decorated
V-ing perfect
I can't have been decorating you can't have been decorating she can't have been decorating we can't have been decorating you can't have been decorating they can't have been decorating
Interrogative form
Simple form
can I decorate? can you decorate? can she decorate? can we decorate? can you decorate? can they decorate?
V-ing form
can I be decorating? can you be decorating? can she be decorating? can we be decorating? can you be decorating? can they be decorating?
Perfect
can I have decorated? can you have decorated? can she have decorated? can we have decorated? can you have decorated? can they have decorated?
V-ing perfect
can I have been decorating? can you have been decorating? can she have been decorating? can we have been decorating? can you have been decorating? can they have been decorating?
Interro-negative form
Simple form
can't I decorate? can't you decorate? can't she decorate? can't we decorate? can't you decorate? can't they decorate?
V-ing form
can't I be decorating? can't you be decorating? can't she be decorating? can't we be decorating? can't you be decorating? can't they be decorating?
Perfect
can't I have decorated? can't you have decorated? can't she have decorated? can't we have decorated? can't you have decorated? can't they have decorated?
V-ing perfect
can't I have been decorating? can't you have been decorating? can't she have been decorating? can't we have been decorating? can't you have been decorating? can't they have been decorating?