I must contemplate you must contemplate he must contemplate we must contemplate you must contemplate they must contemplate
V-ing form
I must be contemplating you must be contemplating he must be contemplating we must be contemplating you must be contemplating they must be contemplating
Perfect
I must have contemplated you must have contemplated he must have contemplated we must have contemplated you must have contemplated they must have contemplated
V-ing perfect
I must have been contemplating you must have been contemplating he must have been contemplating we must have been contemplating you must have been contemplating they must have been contemplating
Negation
Simple form
I must not contemplate you must not contemplate he must not contemplate we must not contemplate you must not contemplate they must not contemplate
V-ing form
I must not be contemplating you must not be contemplating he must not be contemplating we must not be contemplating you must not be contemplating they must not be contemplating
Perfect
I must not have contemplated you must not have contemplated he must not have contemplated we must not have contemplated you must not have contemplated they must not have contemplated
V-ing perfect
I must not have been contemplating you must not have been contemplating he must not have been contemplating we must not have been contemplating you must not have been contemplating they must not have been contemplating
Interrogative form
Simple form
must I contemplate? must you contemplate? must he contemplate? must we contemplate? must you contemplate? must they contemplate?
V-ing form
must I be contemplating? must you be contemplating? must he be contemplating? must we be contemplating? must you be contemplating? must they be contemplating?
Perfect
must I have contemplated? must you have contemplated? must he have contemplated? must we have contemplated? must you have contemplated? must they have contemplated?
V-ing perfect
must I have been contemplating? must you have been contemplating? must he have been contemplating? must we have been contemplating? must you have been contemplating? must they have been contemplating?
Interro-negative form
Simple form
must I not contemplate? must you not contemplate? must he not contemplate? must we not contemplate? must you not contemplate? must they not contemplate?
V-ing form
must I not be contemplating? must you not be contemplating? must he not be contemplating? must we not be contemplating? must you not be contemplating? must they not be contemplating?
Perfect
must I not have contemplated? must you not have contemplated? must he not have contemplated? must we not have contemplated? must you not have contemplated? must they not have contemplated?
V-ing perfect
must I not have been contemplating? must you not have been contemplating? must he not have been contemplating? must we not have been contemplating? must you not have been contemplating? must they not have been contemplating?