Regular verb: drill - drilled - drilled
Simple form | V-ing form |
I must drill you must drill she must drill we must drill you must drill they must drill | I must be drilling you must be drilling she must be drilling we must be drilling you must be drilling they must be drilling |
Perfect | V-ing perfect |
I must have drilled you must have drilled she must have drilled we must have drilled you must have drilled they must have drilled | I must have been drilling you must have been drilling she must have been drilling we must have been drilling you must have been drilling they must have been drilling |
Simple form | V-ing form |
I must not drill you must not drill she must not drill we must not drill you must not drill they must not drill | I must not be drilling you must not be drilling she must not be drilling we must not be drilling you must not be drilling they must not be drilling |
Perfect | V-ing perfect |
I must not have drilled you must not have drilled she must not have drilled we must not have drilled you must not have drilled they must not have drilled | I must not have been drilling you must not have been drilling she must not have been drilling we must not have been drilling you must not have been drilling they must not have been drilling |
Simple form | V-ing form |
must I drill? must you drill? must she drill? must we drill? must you drill? must they drill? | must I be drilling? must you be drilling? must she be drilling? must we be drilling? must you be drilling? must they be drilling? |
Perfect | V-ing perfect |
must I have drilled? must you have drilled? must she have drilled? must we have drilled? must you have drilled? must they have drilled? | must I have been drilling? must you have been drilling? must she have been drilling? must we have been drilling? must you have been drilling? must they have been drilling? |
Simple form | V-ing form |
must I not drill? must you not drill? must she not drill? must we not drill? must you not drill? must they not drill? | must I not be drilling? must you not be drilling? must she not be drilling? must we not be drilling? must you not be drilling? must they not be drilling? |
Perfect | V-ing perfect |
must I not have drilled? must you not have drilled? must she not have drilled? must we not have drilled? must you not have drilled? must they not have drilled? | must I not have been drilling? must you not have been drilling? must she not have been drilling? must we not have been drilling? must you not have been drilling? must they not have been drilling? |