English verb conjugation
CAN SPIRE

Regular verb: spire - spired - spired

Affirmation

Simple form	V-ing form
I can spire you can spire he can spire we can spire you can spire they can spire	I can be spiring you can be spiring he can be spiring we can be spiring you can be spiring they can be spiring
Perfect	V-ing perfect
I can have spired you can have spired he can have spired we can have spired you can have spired they can have spired	I can have been spiring you can have been spiring he can have been spiring we can have been spiring you can have been spiring they can have been spiring

Negation

Simple form	V-ing form
I cannot spire you cannot spire he cannot spire we cannot spire you cannot spire they cannot spire	I cannot be spiring you cannot be spiring he cannot be spiring we cannot be spiring you cannot be spiring they cannot be spiring
Perfect	V-ing perfect
I cannot have spired you cannot have spired he cannot have spired we cannot have spired you cannot have spired they cannot have spired	I cannot have been spiring you cannot have been spiring he cannot have been spiring we cannot have been spiring you cannot have been spiring they cannot have been spiring

Interrogative form

Simple form	V-ing form
can I spire? can you spire? can he spire? can we spire? can you spire? can they spire?	can I be spiring? can you be spiring? can he be spiring? can we be spiring? can you be spiring? can they be spiring?
Perfect	V-ing perfect
can I have spired? can you have spired? can he have spired? can we have spired? can you have spired? can they have spired?	can I have been spiring? can you have been spiring? can he have been spiring? can we have been spiring? can you have been spiring? can they have been spiring?

Interro-negative form

Simple form	V-ing form
can I not spire? can you not spire? can he not spire? can we not spire? can you not spire? can they not spire?	can I not be spiring? can you not be spiring? can he not be spiring? can we not be spiring? can you not be spiring? can they not be spiring?
Perfect	V-ing perfect
can I not have spired? can you not have spired? can he not have spired? can we not have spired? can you not have spired? can they not have spired?	can I not have been spiring? can you not have been spiring? can he not have been spiring? can we not have been spiring? can you not have been spiring? can they not have been spiring?