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