English verb conjugation
MUST PREDRILL

Regular verb: predrill - predrilled - predrilled

Affirmation

Simple form	V-ing form
I must predrill you must predrill she must predrill we must predrill you must predrill they must predrill	I must be predrilling you must be predrilling she must be predrilling we must be predrilling you must be predrilling they must be predrilling
Perfect	V-ing perfect
I must have predrilled you must have predrilled she must have predrilled we must have predrilled you must have predrilled they must have predrilled	I must have been predrilling you must have been predrilling she must have been predrilling we must have been predrilling you must have been predrilling they must have been predrilling

Negation

Simple form	V-ing form
I must not predrill you must not predrill she must not predrill we must not predrill you must not predrill they must not predrill	I must not be predrilling you must not be predrilling she must not be predrilling we must not be predrilling you must not be predrilling they must not be predrilling
Perfect	V-ing perfect
I must not have predrilled you must not have predrilled she must not have predrilled we must not have predrilled you must not have predrilled they must not have predrilled	I must not have been predrilling you must not have been predrilling she must not have been predrilling we must not have been predrilling you must not have been predrilling they must not have been predrilling

Interrogative form

Simple form	V-ing form
must I predrill? must you predrill? must she predrill? must we predrill? must you predrill? must they predrill?	must I be predrilling? must you be predrilling? must she be predrilling? must we be predrilling? must you be predrilling? must they be predrilling?
Perfect	V-ing perfect
must I have predrilled? must you have predrilled? must she have predrilled? must we have predrilled? must you have predrilled? must they have predrilled?	must I have been predrilling? must you have been predrilling? must she have been predrilling? must we have been predrilling? must you have been predrilling? must they have been predrilling?

Interro-negative form

Simple form	V-ing form
must I not predrill? must you not predrill? must she not predrill? must we not predrill? must you not predrill? must they not predrill?	must I not be predrilling? must you not be predrilling? must she not be predrilling? must we not be predrilling? must you not be predrilling? must they not be predrilling?
Perfect	V-ing perfect
must I not have predrilled? must you not have predrilled? must she not have predrilled? must we not have predrilled? must you not have predrilled? must they not have predrilled?	must I not have been predrilling? must you not have been predrilling? must she not have been predrilling? must we not have been predrilling? must you not have been predrilling? must they not have been predrilling?