I must precode you must precode she must precode we must precode you must precode they must precode
V-ing form
I must be precoding you must be precoding she must be precoding we must be precoding you must be precoding they must be precoding
Perfect
I must have precoded you must have precoded she must have precoded we must have precoded you must have precoded they must have precoded
V-ing perfect
I must have been precoding you must have been precoding she must have been precoding we must have been precoding you must have been precoding they must have been precoding
Negation
Simple form
I must not precode you must not precode she must not precode we must not precode you must not precode they must not precode
V-ing form
I must not be precoding you must not be precoding she must not be precoding we must not be precoding you must not be precoding they must not be precoding
Perfect
I must not have precoded you must not have precoded she must not have precoded we must not have precoded you must not have precoded they must not have precoded
V-ing perfect
I must not have been precoding you must not have been precoding she must not have been precoding we must not have been precoding you must not have been precoding they must not have been precoding
Interrogative form
Simple form
must I precode? must you precode? must she precode? must we precode? must you precode? must they precode?
V-ing form
must I be precoding? must you be precoding? must she be precoding? must we be precoding? must you be precoding? must they be precoding?
Perfect
must I have precoded? must you have precoded? must she have precoded? must we have precoded? must you have precoded? must they have precoded?
V-ing perfect
must I have been precoding? must you have been precoding? must she have been precoding? must we have been precoding? must you have been precoding? must they have been precoding?
Interro-negative form
Simple form
must I not precode? must you not precode? must she not precode? must we not precode? must you not precode? must they not precode?
V-ing form
must I not be precoding? must you not be precoding? must she not be precoding? must we not be precoding? must you not be precoding? must they not be precoding?
Perfect
must I not have precoded? must you not have precoded? must she not have precoded? must we not have precoded? must you not have precoded? must they not have precoded?
V-ing perfect
must I not have been precoding? must you not have been precoding? must she not have been precoding? must we not have been precoding? must you not have been precoding? must they not have been precoding?