I must splash you must splash he must splash we must splash you must splash they must splash
V-ing form
I must be splashing you must be splashing he must be splashing we must be splashing you must be splashing they must be splashing
Perfect
I must have splashed you must have splashed he must have splashed we must have splashed you must have splashed they must have splashed
V-ing perfect
I must have been splashing you must have been splashing he must have been splashing we must have been splashing you must have been splashing they must have been splashing
Negation
Simple form
I must not splash you must not splash he must not splash we must not splash you must not splash they must not splash
V-ing form
I must not be splashing you must not be splashing he must not be splashing we must not be splashing you must not be splashing they must not be splashing
Perfect
I must not have splashed you must not have splashed he must not have splashed we must not have splashed you must not have splashed they must not have splashed
V-ing perfect
I must not have been splashing you must not have been splashing he must not have been splashing we must not have been splashing you must not have been splashing they must not have been splashing
Interrogative form
Simple form
must I splash? must you splash? must he splash? must we splash? must you splash? must they splash?
V-ing form
must I be splashing? must you be splashing? must he be splashing? must we be splashing? must you be splashing? must they be splashing?
Perfect
must I have splashed? must you have splashed? must he have splashed? must we have splashed? must you have splashed? must they have splashed?
V-ing perfect
must I have been splashing? must you have been splashing? must he have been splashing? must we have been splashing? must you have been splashing? must they have been splashing?
Interro-negative form
Simple form
must I not splash? must you not splash? must he not splash? must we not splash? must you not splash? must they not splash?
V-ing form
must I not be splashing? must you not be splashing? must he not be splashing? must we not be splashing? must you not be splashing? must they not be splashing?
Perfect
must I not have splashed? must you not have splashed? must he not have splashed? must we not have splashed? must you not have splashed? must they not have splashed?
V-ing perfect
must I not have been splashing? must you not have been splashing? must he not have been splashing? must we not have been splashing? must you not have been splashing? must they not have been splashing?