English verb conjugation
SHOULD LAND

Regular verb: land - landed - landed

Affirmation

Simple form	V-ing form
I'd land you'd land he'd land we'd land you'd land they'd land	I'd be landing you'd be landing he'd be landing we'd be landing you'd be landing they'd be landing
Perfect	V-ing perfect
I should've landed you should've landed he should've landed we should've landed you should've landed they should've landed	I should've been landing you should've been landing he should've been landing we should've been landing you should've been landing they should've been landing

Negation

Simple form	V-ing form
I shouldn't land you shouldn't land he shouldn't land we shouldn't land you shouldn't land they shouldn't land	I shouldn't be landing you shouldn't be landing he shouldn't be landing we shouldn't be landing you shouldn't be landing they shouldn't be landing
Perfect	V-ing perfect
I shouldn't have landed you shouldn't have landed he shouldn't have landed we shouldn't have landed you shouldn't have landed they shouldn't have landed	I shouldn't have been landing you shouldn't have been landing he shouldn't have been landing we shouldn't have been landing you shouldn't have been landing they shouldn't have been landing

Interrogative form

Simple form	V-ing form
should I land? should you land? should he land? should we land? should you land? should they land?	should I be landing? should you be landing? should he be landing? should we be landing? should you be landing? should they be landing?
Perfect	V-ing perfect
should I have landed? should you have landed? should he have landed? should we have landed? should you have landed? should they have landed?	should I have been landing? should you have been landing? should he have been landing? should we have been landing? should you have been landing? should they have been landing?

Interro-negative form

Simple form	V-ing form
shouldn't I land? shouldn't you land? shouldn't he land? shouldn't we land? shouldn't you land? shouldn't they land?	shouldn't I be landing? shouldn't you be landing? shouldn't he be landing? shouldn't we be landing? shouldn't you be landing? shouldn't they be landing?
Perfect	V-ing perfect
shouldn't I have landed? shouldn't you have landed? shouldn't he have landed? shouldn't we have landed? shouldn't you have landed? shouldn't they have landed?	shouldn't I have been landing? shouldn't you have been landing? shouldn't he have been landing? shouldn't we have been landing? shouldn't you have been landing? shouldn't they have been landing?