only if在句子怎么用.如这句,怎么分析.Encourage children to work out issues themselves,and to approach parents only if someone is in danger or the problem is very difficult to deal with.这里only if 怎么去理解,在句子的作用是

only if在句子怎么用.如这句,怎么分析.Encourage children to work out issues themselves,and to approach parents only if someone is in danger or the problem is very difficult to deal with.这里only if 怎么去理解,在句子的作用是 If only和only if怎么翻译,有啥区别? if only在表示愿望时接动词的什么型式?如果我能预测未来该多好啊这句话用if only怎么表达? if only 引起的感叹句(虚拟语气)if only 在句子里是什么意思``时态`应该怎么样 only引导的句子倒装结构怎么用?好像并不是only再句首就一定倒装啊 only after怎么用 It could only get over the mountains if it rose to 10,000 feet.这句话我看得懂,但是要我下次写这样的句子我绝对写不出,感觉不太好记,就是那个only和if不太怎么理解,if在这里翻译成什么意思呢? If only the children were there!怎么翻译呢? If only you were by my side怎么翻译 关于Only if 的一个句子only if you do all my homework until the end of the semester.我知道only if 是conj.但是这个似乎不是一个从句啊，怎么分析这个句子？until 又承担什么句子成份呢？ not only but also在哪种情况下引导的句子倒装?怎么倒装? if only放在句首用不用倒装,only if用不用虚拟语气? not only but怎么连接句子是not only but 不是not only but also.句子：The young children appreciate modern paintings better than others.They notice more.怎么用not only but来连接? 用only if造句 用if only造句, the equality holds if and only if 这句话怎么翻译啊? IF函数怎么用 if only引导句子的时态问题