I can attire you can attire he can attire we can attire you can attire they can attire
V-ing form
I can be attiring you can be attiring he can be attiring we can be attiring you can be attiring they can be attiring
Perfect
I can have attired you can have attired he can have attired we can have attired you can have attired they can have attired
V-ing perfect
I can have been attiring you can have been attiring he can have been attiring we can have been attiring you can have been attiring they can have been attiring
Negation
Simple form
I cannot attire you cannot attire he cannot attire we cannot attire you cannot attire they cannot attire
V-ing form
I cannot be attiring you cannot be attiring he cannot be attiring we cannot be attiring you cannot be attiring they cannot be attiring
Perfect
I cannot have attired you cannot have attired he cannot have attired we cannot have attired you cannot have attired they cannot have attired
V-ing perfect
I cannot have been attiring you cannot have been attiring he cannot have been attiring we cannot have been attiring you cannot have been attiring they cannot have been attiring
Interrogative form
Simple form
can I attire? can you attire? can he attire? can we attire? can you attire? can they attire?
V-ing form
can I be attiring? can you be attiring? can he be attiring? can we be attiring? can you be attiring? can they be attiring?
Perfect
can I have attired? can you have attired? can he have attired? can we have attired? can you have attired? can they have attired?
V-ing perfect
can I have been attiring? can you have been attiring? can he have been attiring? can we have been attiring? can you have been attiring? can they have been attiring?
Interro-negative form
Simple form
can I not attire? can you not attire? can he not attire? can we not attire? can you not attire? can they not attire?
V-ing form
can I not be attiring? can you not be attiring? can he not be attiring? can we not be attiring? can you not be attiring? can they not be attiring?
Perfect
can I not have attired? can you not have attired? can he not have attired? can we not have attired? can you not have attired? can they not have attired?
V-ing perfect
can I not have been attiring? can you not have been attiring? can he not have been attiring? can we not have been attiring? can you not have been attiring? can they not have been attiring?