YOU SAID:
He, in good time, must his lieutenant be,
INTO JAPANESE
彼は、時機を得て、彼の副官にならなければならない、
BACK INTO ENGLISH
He must become his lieutenant when the time is right,
INTO JAPANESE
彼は時が来れば中尉にならなければならない。
BACK INTO ENGLISH
He must become a lieutenant when the time comes.
INTO JAPANESE
時が来れば、彼は中尉にならなければならない。
BACK INTO ENGLISH
When the time comes, he must become a lieutenant.
INTO JAPANESE
時が来れば、彼は中尉にならなければならない。
BACK INTO ENGLISH
When the time comes, he must become a lieutenant.
That didn't even make that much sense in English.