Regular verb: prevail - prevailed - prevailed
Simple form | V-ing form |
I must prevail you must prevail she must prevail we must prevail you must prevail they must prevail | I must be prevailing you must be prevailing she must be prevailing we must be prevailing you must be prevailing they must be prevailing |
Perfect | V-ing perfect |
I must have prevailed you must have prevailed she must have prevailed we must have prevailed you must have prevailed they must have prevailed | I must have been prevailing you must have been prevailing she must have been prevailing we must have been prevailing you must have been prevailing they must have been prevailing |
Simple form | V-ing form |
I must not prevail you must not prevail she must not prevail we must not prevail you must not prevail they must not prevail | I must not be prevailing you must not be prevailing she must not be prevailing we must not be prevailing you must not be prevailing they must not be prevailing |
Perfect | V-ing perfect |
I must not have prevailed you must not have prevailed she must not have prevailed we must not have prevailed you must not have prevailed they must not have prevailed | I must not have been prevailing you must not have been prevailing she must not have been prevailing we must not have been prevailing you must not have been prevailing they must not have been prevailing |
Simple form | V-ing form |
must I prevail? must you prevail? must she prevail? must we prevail? must you prevail? must they prevail? | must I be prevailing? must you be prevailing? must she be prevailing? must we be prevailing? must you be prevailing? must they be prevailing? |
Perfect | V-ing perfect |
must I have prevailed? must you have prevailed? must she have prevailed? must we have prevailed? must you have prevailed? must they have prevailed? | must I have been prevailing? must you have been prevailing? must she have been prevailing? must we have been prevailing? must you have been prevailing? must they have been prevailing? |
Simple form | V-ing form |
must I not prevail? must you not prevail? must she not prevail? must we not prevail? must you not prevail? must they not prevail? | must I not be prevailing? must you not be prevailing? must she not be prevailing? must we not be prevailing? must you not be prevailing? must they not be prevailing? |
Perfect | V-ing perfect |
must I not have prevailed? must you not have prevailed? must she not have prevailed? must we not have prevailed? must you not have prevailed? must they not have prevailed? | must I not have been prevailing? must you not have been prevailing? must she not have been prevailing? must we not have been prevailing? must you not have been prevailing? must they not have been prevailing? |