I must pasture you must pasture he must pasture we must pasture you must pasture they must pasture
V-ing form
I must be pasturing you must be pasturing he must be pasturing we must be pasturing you must be pasturing they must be pasturing
Perfect
I must have pastured you must have pastured he must have pastured we must have pastured you must have pastured they must have pastured
V-ing perfect
I must have been pasturing you must have been pasturing he must have been pasturing we must have been pasturing you must have been pasturing they must have been pasturing
Negation
Simple form
I must not pasture you must not pasture he must not pasture we must not pasture you must not pasture they must not pasture
V-ing form
I must not be pasturing you must not be pasturing he must not be pasturing we must not be pasturing you must not be pasturing they must not be pasturing
Perfect
I must not have pastured you must not have pastured he must not have pastured we must not have pastured you must not have pastured they must not have pastured
V-ing perfect
I must not have been pasturing you must not have been pasturing he must not have been pasturing we must not have been pasturing you must not have been pasturing they must not have been pasturing
Interrogative form
Simple form
must I pasture? must you pasture? must he pasture? must we pasture? must you pasture? must they pasture?
V-ing form
must I be pasturing? must you be pasturing? must he be pasturing? must we be pasturing? must you be pasturing? must they be pasturing?
Perfect
must I have pastured? must you have pastured? must he have pastured? must we have pastured? must you have pastured? must they have pastured?
V-ing perfect
must I have been pasturing? must you have been pasturing? must he have been pasturing? must we have been pasturing? must you have been pasturing? must they have been pasturing?
Interro-negative form
Simple form
must I not pasture? must you not pasture? must he not pasture? must we not pasture? must you not pasture? must they not pasture?
V-ing form
must I not be pasturing? must you not be pasturing? must he not be pasturing? must we not be pasturing? must you not be pasturing? must they not be pasturing?
Perfect
must I not have pastured? must you not have pastured? must he not have pastured? must we not have pastured? must you not have pastured? must they not have pastured?
V-ing perfect
must I not have been pasturing? must you not have been pasturing? must he not have been pasturing? must we not have been pasturing? must you not have been pasturing? must they not have been pasturing?