I must impregnate you must impregnate he must impregnate we must impregnate you must impregnate they must impregnate
V-ing form
I must be impregnating you must be impregnating he must be impregnating we must be impregnating you must be impregnating they must be impregnating
Perfect
I must have impregnated you must have impregnated he must have impregnated we must have impregnated you must have impregnated they must have impregnated
V-ing perfect
I must have been impregnating you must have been impregnating he must have been impregnating we must have been impregnating you must have been impregnating they must have been impregnating
Negation
Simple form
I mustn't impregnate you mustn't impregnate he mustn't impregnate we mustn't impregnate you mustn't impregnate they mustn't impregnate
V-ing form
I mustn't be impregnating you mustn't be impregnating he mustn't be impregnating we mustn't be impregnating you mustn't be impregnating they mustn't be impregnating
Perfect
I mustn't have impregnated you mustn't have impregnated he mustn't have impregnated we mustn't have impregnated you mustn't have impregnated they mustn't have impregnated
V-ing perfect
I mustn't have been impregnating you mustn't have been impregnating he mustn't have been impregnating we mustn't have been impregnating you mustn't have been impregnating they mustn't have been impregnating
Interrogative form
Simple form
must I impregnate? must you impregnate? must he impregnate? must we impregnate? must you impregnate? must they impregnate?
V-ing form
must I be impregnating? must you be impregnating? must he be impregnating? must we be impregnating? must you be impregnating? must they be impregnating?
Perfect
must I have impregnated? must you have impregnated? must he have impregnated? must we have impregnated? must you have impregnated? must they have impregnated?
V-ing perfect
must I have been impregnating? must you have been impregnating? must he have been impregnating? must we have been impregnating? must you have been impregnating? must they have been impregnating?
Interro-negative form
Simple form
mustn't I impregnate? mustn't you impregnate? mustn't he impregnate? mustn't we impregnate? mustn't you impregnate? mustn't they impregnate?
V-ing form
mustn't I be impregnating? mustn't you be impregnating? mustn't he be impregnating? mustn't we be impregnating? mustn't you be impregnating? mustn't they be impregnating?
Perfect
mustn't I have impregnated? mustn't you have impregnated? mustn't he have impregnated? mustn't we have impregnated? mustn't you have impregnated? mustn't they have impregnated?
V-ing perfect
mustn't I have been impregnating? mustn't you have been impregnating? mustn't he have been impregnating? mustn't we have been impregnating? mustn't you have been impregnating? mustn't they have been impregnating?