Regular verb: fever - fevered - fevered
Simple form | V-ing form |
I must fever you must fever he must fever we must fever you must fever they must fever | I must be fevering you must be fevering he must be fevering we must be fevering you must be fevering they must be fevering |
Perfect | V-ing perfect |
I must have fevered you must have fevered he must have fevered we must have fevered you must have fevered they must have fevered | I must have been fevering you must have been fevering he must have been fevering we must have been fevering you must have been fevering they must have been fevering |
Simple form | V-ing form |
I must not fever you must not fever he must not fever we must not fever you must not fever they must not fever | I must not be fevering you must not be fevering he must not be fevering we must not be fevering you must not be fevering they must not be fevering |
Perfect | V-ing perfect |
I must not have fevered you must not have fevered he must not have fevered we must not have fevered you must not have fevered they must not have fevered | I must not have been fevering you must not have been fevering he must not have been fevering we must not have been fevering you must not have been fevering they must not have been fevering |
Simple form | V-ing form |
must I fever? must you fever? must he fever? must we fever? must you fever? must they fever? | must I be fevering? must you be fevering? must he be fevering? must we be fevering? must you be fevering? must they be fevering? |
Perfect | V-ing perfect |
must I have fevered? must you have fevered? must he have fevered? must we have fevered? must you have fevered? must they have fevered? | must I have been fevering? must you have been fevering? must he have been fevering? must we have been fevering? must you have been fevering? must they have been fevering? |
Simple form | V-ing form |
must I not fever? must you not fever? must he not fever? must we not fever? must you not fever? must they not fever? | must I not be fevering? must you not be fevering? must he not be fevering? must we not be fevering? must you not be fevering? must they not be fevering? |
Perfect | V-ing perfect |
must I not have fevered? must you not have fevered? must he not have fevered? must we not have fevered? must you not have fevered? must they not have fevered? | must I not have been fevering? must you not have been fevering? must he not have been fevering? must we not have been fevering? must you not have been fevering? must they not have been fevering? |