Irregular verb: build - built - built
Simple form | V-ing form |
I must build you must build she must build we must build you must build they must build | I must be building you must be building she must be building we must be building you must be building they must be building |
Perfect | V-ing perfect |
I must have built you must have built she must have built we must have built you must have built they must have built | I must have been building you must have been building she must have been building we must have been building you must have been building they must have been building |
Simple form | V-ing form |
I must not build you must not build she must not build we must not build you must not build they must not build | I must not be building you must not be building she must not be building we must not be building you must not be building they must not be building |
Perfect | V-ing perfect |
I must not have built you must not have built she must not have built we must not have built you must not have built they must not have built | I must not have been building you must not have been building she must not have been building we must not have been building you must not have been building they must not have been building |
Simple form | V-ing form |
must I build? must you build? must she build? must we build? must you build? must they build? | must I be building? must you be building? must she be building? must we be building? must you be building? must they be building? |
Perfect | V-ing perfect |
must I have built? must you have built? must she have built? must we have built? must you have built? must they have built? | must I have been building? must you have been building? must she have been building? must we have been building? must you have been building? must they have been building? |
Simple form | V-ing form |
must I not build? must you not build? must she not build? must we not build? must you not build? must they not build? | must I not be building? must you not be building? must she not be building? must we not be building? must you not be building? must they not be building? |
Perfect | V-ing perfect |
must I not have built? must you not have built? must she not have built? must we not have built? must you not have built? must they not have built? | must I not have been building? must you not have been building? must she not have been building? must we not have been building? must you not have been building? must they not have been building? |