I should light you should light he should light we should light you should light they should light
V-ing form
I should be lighting you should be lighting he should be lighting we should be lighting you should be lighting they should be lighting
Perfect
I should have lit you should have lit he should have lit we should have lit you should have lit they should have lit
V-ing perfect
I should have been lighting you should have been lighting he should have been lighting we should have been lighting you should have been lighting they should have been lighting
Negation
Simple form
I should not light you should not light he should not light we should not light you should not light they should not light
V-ing form
I should not be lighting you should not be lighting he should not be lighting we should not be lighting you should not be lighting they should not be lighting
Perfect
I should not have lit you should not have lit he should not have lit we should not have lit you should not have lit they should not have lit
V-ing perfect
I should not have been lighting you should not have been lighting he should not have been lighting we should not have been lighting you should not have been lighting they should not have been lighting
Interrogative form
Simple form
should I light? should you light? should he light? should we light? should you light? should they light?
V-ing form
should I be lighting? should you be lighting? should he be lighting? should we be lighting? should you be lighting? should they be lighting?
Perfect
should I have lit? should you have lit? should he have lit? should we have lit? should you have lit? should they have lit?
V-ing perfect
should I have been lighting? should you have been lighting? should he have been lighting? should we have been lighting? should you have been lighting? should they have been lighting?
Interro-negative form
Simple form
should I not light? should you not light? should he not light? should we not light? should you not light? should they not light?
V-ing form
should I not be lighting? should you not be lighting? should he not be lighting? should we not be lighting? should you not be lighting? should they not be lighting?
Perfect
should I not have lit? should you not have lit? should he not have lit? should we not have lit? should you not have lit? should they not have lit?
V-ing perfect
should I not have been lighting? should you not have been lighting? should he not have been lighting? should we not have been lighting? should you not have been lighting? should they not have been lighting?