I'd be machining you'd be machining she'd be machining we'd be machining you'd be machining they'd be machining
Perfect
I should've machined you should've machined she should've machined we should've machined you should've machined they should've machined
V-ing perfect
I should've been machining you should've been machining she should've been machining we should've been machining you should've been machining they should've been machining
Negation
Simple form
I shouldn't machine you shouldn't machine she shouldn't machine we shouldn't machine you shouldn't machine they shouldn't machine
V-ing form
I shouldn't be machining you shouldn't be machining she shouldn't be machining we shouldn't be machining you shouldn't be machining they shouldn't be machining
Perfect
I shouldn't have machined you shouldn't have machined she shouldn't have machined we shouldn't have machined you shouldn't have machined they shouldn't have machined
V-ing perfect
I shouldn't have been machining you shouldn't have been machining she shouldn't have been machining we shouldn't have been machining you shouldn't have been machining they shouldn't have been machining
Interrogative form
Simple form
should I machine? should you machine? should she machine? should we machine? should you machine? should they machine?
V-ing form
should I be machining? should you be machining? should she be machining? should we be machining? should you be machining? should they be machining?
Perfect
should I have machined? should you have machined? should she have machined? should we have machined? should you have machined? should they have machined?
V-ing perfect
should I have been machining? should you have been machining? should she have been machining? should we have been machining? should you have been machining? should they have been machining?
Interro-negative form
Simple form
shouldn't I machine? shouldn't you machine? shouldn't she machine? shouldn't we machine? shouldn't you machine? shouldn't they machine?
V-ing form
shouldn't I be machining? shouldn't you be machining? shouldn't she be machining? shouldn't we be machining? shouldn't you be machining? shouldn't they be machining?
Perfect
shouldn't I have machined? shouldn't you have machined? shouldn't she have machined? shouldn't we have machined? shouldn't you have machined? shouldn't they have machined?
V-ing perfect
shouldn't I have been machining? shouldn't you have been machining? shouldn't she have been machining? shouldn't we have been machining? shouldn't you have been machining? shouldn't they have been machining?