English verb conjugation
SHOULD COUNTERMINE

Regular verb: countermine - countermined - countermined

Affirmation

Simple form	V-ing form
I'd countermine you'd countermine he'd countermine we'd countermine you'd countermine they'd countermine	I'd be countermining you'd be countermining he'd be countermining we'd be countermining you'd be countermining they'd be countermining
Perfect	V-ing perfect
I should've countermined you should've countermined he should've countermined we should've countermined you should've countermined they should've countermined	I should've been countermining you should've been countermining he should've been countermining we should've been countermining you should've been countermining they should've been countermining

Negation

Simple form	V-ing form
I shouldn't countermine you shouldn't countermine he shouldn't countermine we shouldn't countermine you shouldn't countermine they shouldn't countermine	I shouldn't be countermining you shouldn't be countermining he shouldn't be countermining we shouldn't be countermining you shouldn't be countermining they shouldn't be countermining
Perfect	V-ing perfect
I shouldn't have countermined you shouldn't have countermined he shouldn't have countermined we shouldn't have countermined you shouldn't have countermined they shouldn't have countermined	I shouldn't have been countermining you shouldn't have been countermining he shouldn't have been countermining we shouldn't have been countermining you shouldn't have been countermining they shouldn't have been countermining

Interrogative form

Simple form	V-ing form
should I countermine? should you countermine? should he countermine? should we countermine? should you countermine? should they countermine?	should I be countermining? should you be countermining? should he be countermining? should we be countermining? should you be countermining? should they be countermining?
Perfect	V-ing perfect
should I have countermined? should you have countermined? should he have countermined? should we have countermined? should you have countermined? should they have countermined?	should I have been countermining? should you have been countermining? should he have been countermining? should we have been countermining? should you have been countermining? should they have been countermining?

Interro-negative form

Simple form	V-ing form
shouldn't I countermine? shouldn't you countermine? shouldn't he countermine? shouldn't we countermine? shouldn't you countermine? shouldn't they countermine?	shouldn't I be countermining? shouldn't you be countermining? shouldn't he be countermining? shouldn't we be countermining? shouldn't you be countermining? shouldn't they be countermining?
Perfect	V-ing perfect
shouldn't I have countermined? shouldn't you have countermined? shouldn't he have countermined? shouldn't we have countermined? shouldn't you have countermined? shouldn't they have countermined?	shouldn't I have been countermining? shouldn't you have been countermining? shouldn't he have been countermining? shouldn't we have been countermining? shouldn't you have been countermining? shouldn't they have been countermining?