Lesson 53 OnIy……只是/只有……
句型“Only……”的标准形式是“Only+状语+助动词/情态动词+主语+谓语”，属于主谓倒装。“only”置于句首是一种强调倒装，被“only”修饰的状语可以是副词或短语或从句。
征服句型
●Only by chance did I hear that Mary got married three years ago.
我是偶然听说玛丽三年前就结婚了。
●Only in this way can our team beat them.
只有通过这样的方式，我们才能打败他们。
●Only by working hard can my senior middle school students pass the college entrance examination.
只有努力学习，我的高中学生们才能通过高考。
●Only after I had seen it by myself did I know that there is such a beautiful wonderland on earth.
只有在亲眼看见以后，才能知道人间竟有这样美丽的仙境。
●Only when he dropped with overwork, did he ever stay at home.
他只有工作过度累倒了，才会在家休息。
征服对话
●How many times did he tell the truth before?
●Only when he is drunk does he tell the truth.
他之前说过几次真话？
他只有在醉酒时才会说真话。
●Only in recent years has Tom realized how much his wife loves him.
●It is not too late.
只有在最近几年汤姆才知道他的妻子有多爱他。他的觉悟还不算晚。
●How can we maintain good relations among friends?
●Only by trusting each other and having a good moral character can we maintain it.
怎样在朋友中维持良好的关系？
只有相互信任、有良好的道德品质才能保持。