I'd be tackling you'd be tackling he'd be tackling we'd be tackling you'd be tackling they'd be tackling
Perfect
I should've tackled you should've tackled he should've tackled we should've tackled you should've tackled they should've tackled
V-ing perfect
I should've been tackling you should've been tackling he should've been tackling we should've been tackling you should've been tackling they should've been tackling
Negation
Simple form
I shouldn't tackle you shouldn't tackle he shouldn't tackle we shouldn't tackle you shouldn't tackle they shouldn't tackle
V-ing form
I shouldn't be tackling you shouldn't be tackling he shouldn't be tackling we shouldn't be tackling you shouldn't be tackling they shouldn't be tackling
Perfect
I shouldn't have tackled you shouldn't have tackled he shouldn't have tackled we shouldn't have tackled you shouldn't have tackled they shouldn't have tackled
V-ing perfect
I shouldn't have been tackling you shouldn't have been tackling he shouldn't have been tackling we shouldn't have been tackling you shouldn't have been tackling they shouldn't have been tackling
Interrogative form
Simple form
should I tackle? should you tackle? should he tackle? should we tackle? should you tackle? should they tackle?
V-ing form
should I be tackling? should you be tackling? should he be tackling? should we be tackling? should you be tackling? should they be tackling?
Perfect
should I have tackled? should you have tackled? should he have tackled? should we have tackled? should you have tackled? should they have tackled?
V-ing perfect
should I have been tackling? should you have been tackling? should he have been tackling? should we have been tackling? should you have been tackling? should they have been tackling?
Interro-negative form
Simple form
shouldn't I tackle? shouldn't you tackle? shouldn't he tackle? shouldn't we tackle? shouldn't you tackle? shouldn't they tackle?
V-ing form
shouldn't I be tackling? shouldn't you be tackling? shouldn't he be tackling? shouldn't we be tackling? shouldn't you be tackling? shouldn't they be tackling?
Perfect
shouldn't I have tackled? shouldn't you have tackled? shouldn't he have tackled? shouldn't we have tackled? shouldn't you have tackled? shouldn't they have tackled?
V-ing perfect
shouldn't I have been tackling? shouldn't you have been tackling? shouldn't he have been tackling? shouldn't we have been tackling? shouldn't you have been tackling? shouldn't they have been tackling?