English verb conjugation
SHOULD RETROFIRE

Regular verb: retrofire - retrofired - retrofired

Affirmation

Simple form	V-ing form
I'd retrofire you'd retrofire he'd retrofire we'd retrofire you'd retrofire they'd retrofire	I'd be retrofiring you'd be retrofiring he'd be retrofiring we'd be retrofiring you'd be retrofiring they'd be retrofiring
Perfect	V-ing perfect
I should've retrofired you should've retrofired he should've retrofired we should've retrofired you should've retrofired they should've retrofired	I should've been retrofiring you should've been retrofiring he should've been retrofiring we should've been retrofiring you should've been retrofiring they should've been retrofiring

Negation

Simple form	V-ing form
I shouldn't retrofire you shouldn't retrofire he shouldn't retrofire we shouldn't retrofire you shouldn't retrofire they shouldn't retrofire	I shouldn't be retrofiring you shouldn't be retrofiring he shouldn't be retrofiring we shouldn't be retrofiring you shouldn't be retrofiring they shouldn't be retrofiring
Perfect	V-ing perfect
I shouldn't have retrofired you shouldn't have retrofired he shouldn't have retrofired we shouldn't have retrofired you shouldn't have retrofired they shouldn't have retrofired	I shouldn't have been retrofiring you shouldn't have been retrofiring he shouldn't have been retrofiring we shouldn't have been retrofiring you shouldn't have been retrofiring they shouldn't have been retrofiring

Interrogative form

Simple form	V-ing form
should I retrofire? should you retrofire? should he retrofire? should we retrofire? should you retrofire? should they retrofire?	should I be retrofiring? should you be retrofiring? should he be retrofiring? should we be retrofiring? should you be retrofiring? should they be retrofiring?
Perfect	V-ing perfect
should I have retrofired? should you have retrofired? should he have retrofired? should we have retrofired? should you have retrofired? should they have retrofired?	should I have been retrofiring? should you have been retrofiring? should he have been retrofiring? should we have been retrofiring? should you have been retrofiring? should they have been retrofiring?

Interro-negative form

Simple form	V-ing form
shouldn't I retrofire? shouldn't you retrofire? shouldn't he retrofire? shouldn't we retrofire? shouldn't you retrofire? shouldn't they retrofire?	shouldn't I be retrofiring? shouldn't you be retrofiring? shouldn't he be retrofiring? shouldn't we be retrofiring? shouldn't you be retrofiring? shouldn't they be retrofiring?
Perfect	V-ing perfect
shouldn't I have retrofired? shouldn't you have retrofired? shouldn't he have retrofired? shouldn't we have retrofired? shouldn't you have retrofired? shouldn't they have retrofired?	shouldn't I have been retrofiring? shouldn't you have been retrofiring? shouldn't he have been retrofiring? shouldn't we have been retrofiring? shouldn't you have been retrofiring? shouldn't they have been retrofiring?