English verb conjugation
SHOULD CROSS-TRAIN

Regular verb: cross-train - cross-trained - cross-trained

Affirmation

Simple form	V-ing form
I'd cross-train you'd cross-train he'd cross-train we'd cross-train you'd cross-train they'd cross-train	I'd be cross-training you'd be cross-training he'd be cross-training we'd be cross-training you'd be cross-training they'd be cross-training
Perfect	V-ing perfect
I should've cross-trained you should've cross-trained he should've cross-trained we should've cross-trained you should've cross-trained they should've cross-trained	I should've been cross-training you should've been cross-training he should've been cross-training we should've been cross-training you should've been cross-training they should've been cross-training

Negation

Simple form	V-ing form
I shouldn't cross-train you shouldn't cross-train he shouldn't cross-train we shouldn't cross-train you shouldn't cross-train they shouldn't cross-train	I shouldn't be cross-training you shouldn't be cross-training he shouldn't be cross-training we shouldn't be cross-training you shouldn't be cross-training they shouldn't be cross-training
Perfect	V-ing perfect
I shouldn't have cross-trained you shouldn't have cross-trained he shouldn't have cross-trained we shouldn't have cross-trained you shouldn't have cross-trained they shouldn't have cross-trained	I shouldn't have been cross-training you shouldn't have been cross-training he shouldn't have been cross-training we shouldn't have been cross-training you shouldn't have been cross-training they shouldn't have been cross-training

Interrogative form

Simple form	V-ing form
should I cross-train? should you cross-train? should he cross-train? should we cross-train? should you cross-train? should they cross-train?	should I be cross-training? should you be cross-training? should he be cross-training? should we be cross-training? should you be cross-training? should they be cross-training?
Perfect	V-ing perfect
should I have cross-trained? should you have cross-trained? should he have cross-trained? should we have cross-trained? should you have cross-trained? should they have cross-trained?	should I have been cross-training? should you have been cross-training? should he have been cross-training? should we have been cross-training? should you have been cross-training? should they have been cross-training?

Interro-negative form

Simple form	V-ing form
shouldn't I cross-train? shouldn't you cross-train? shouldn't he cross-train? shouldn't we cross-train? shouldn't you cross-train? shouldn't they cross-train?	shouldn't I be cross-training? shouldn't you be cross-training? shouldn't he be cross-training? shouldn't we be cross-training? shouldn't you be cross-training? shouldn't they be cross-training?
Perfect	V-ing perfect
shouldn't I have cross-trained? shouldn't you have cross-trained? shouldn't he have cross-trained? shouldn't we have cross-trained? shouldn't you have cross-trained? shouldn't they have cross-trained?	shouldn't I have been cross-training? shouldn't you have been cross-training? shouldn't he have been cross-training? shouldn't we have been cross-training? shouldn't you have been cross-training? shouldn't they have been cross-training?