only修饰句子旳状语（从句）位于句首时，句子（主句）要用部分倒装。句型为only+状语/状语从句+ be/ 助动词/情态动词+主语Only in this way, can you learn English well. 只有这么，你才干学好英语。Only after being asked three times did he come to the meeting. 叫了三次，他才来参加会议。Onlywhenheisseriouslyill,doesheeverstayinbed. 病得很重时,他才卧床休息Only then did I realize the importance of English．
Only when a child grows up does he understand his parents’ intentions．
Only by practising every day can you learn English well. Onlyinthiswaycanyousolvetheproblem.
只有 ...