English verb conjugation
SHOULD TELEPHONE

Regular verb: telephone - telephoned - telephoned

Affirmation

Simple form	V-ing form
I'd telephone you'd telephone he'd telephone we'd telephone you'd telephone they'd telephone	I'd be telephoning you'd be telephoning he'd be telephoning we'd be telephoning you'd be telephoning they'd be telephoning
Perfect	V-ing perfect
I should've telephoned you should've telephoned he should've telephoned we should've telephoned you should've telephoned they should've telephoned	I should've been telephoning you should've been telephoning he should've been telephoning we should've been telephoning you should've been telephoning they should've been telephoning

Negation

Simple form	V-ing form
I shouldn't telephone you shouldn't telephone he shouldn't telephone we shouldn't telephone you shouldn't telephone they shouldn't telephone	I shouldn't be telephoning you shouldn't be telephoning he shouldn't be telephoning we shouldn't be telephoning you shouldn't be telephoning they shouldn't be telephoning
Perfect	V-ing perfect
I shouldn't have telephoned you shouldn't have telephoned he shouldn't have telephoned we shouldn't have telephoned you shouldn't have telephoned they shouldn't have telephoned	I shouldn't have been telephoning you shouldn't have been telephoning he shouldn't have been telephoning we shouldn't have been telephoning you shouldn't have been telephoning they shouldn't have been telephoning

Interrogative form

Simple form	V-ing form
should I telephone? should you telephone? should he telephone? should we telephone? should you telephone? should they telephone?	should I be telephoning? should you be telephoning? should he be telephoning? should we be telephoning? should you be telephoning? should they be telephoning?
Perfect	V-ing perfect
should I have telephoned? should you have telephoned? should he have telephoned? should we have telephoned? should you have telephoned? should they have telephoned?	should I have been telephoning? should you have been telephoning? should he have been telephoning? should we have been telephoning? should you have been telephoning? should they have been telephoning?

Interro-negative form

Simple form	V-ing form
shouldn't I telephone? shouldn't you telephone? shouldn't he telephone? shouldn't we telephone? shouldn't you telephone? shouldn't they telephone?	shouldn't I be telephoning? shouldn't you be telephoning? shouldn't he be telephoning? shouldn't we be telephoning? shouldn't you be telephoning? shouldn't they be telephoning?
Perfect	V-ing perfect
shouldn't I have telephoned? shouldn't you have telephoned? shouldn't he have telephoned? shouldn't we have telephoned? shouldn't you have telephoned? shouldn't they have telephoned?	shouldn't I have been telephoning? shouldn't you have been telephoning? shouldn't he have been telephoning? shouldn't we have been telephoning? shouldn't you have been telephoning? shouldn't they have been telephoning?