only在此句中是什么词?It had only thirty people.only在此句中是什么词性的词?充当什么语?

only在此句中是什么词?It had only thirty people.only在此句中是什么词性的词?充当什么语? You can borrow it,but only once you've done your project on Australia.only once什么用法?once 在此句中词性 分析此句：only if he had seen me yesterday If he had time,he would come to visit you.此句中had 是什么词性? 请帮忙分析此句结构 ：It is honesty that makes her different from the other students?请问that 在此句中所引导的是什么从句 She wondered what fate had in store for her next.里had是什么词性?如题,此句中,had是啥词性,在句子中是啥成分啊?好像不像是动词,又不像是完成时中的have.类似的还有这句：I had know what life had in store.做谓 only用在句首是什么句型 此“once”在句中的准确理解once在下句中是什么用法?The real function of new inventions will only be known once we discover new ways of thinking about the technology. As fruit needs not only sunshine but cold nights and chilling showers to ripen it,so character needs not only joy but trial and difficulty to mellow it此句中as so 为什么不能用As as It it surprising that romance springs up at the office.在此句中两个 it的语法作用. 剖析：i don't like it when shop assistants follow me around.剖析句子.when在此句中所引导的是什么成分?it是否在作形式宾语?it什么时候可去掉?（举例说明） it’s a fact that _______ people had to leave their hometown during the War on Iraq此句中为什么是 on Irag 而不是 in Irag? 此句中with的作用With Dell slumping, Lenovo said on Thursday that it had hired Christopher Askew请教句子开头的with的作用,谢谢 It seemed only three minutes____he finished this painting是填before.before在句中该如何解释? It seemed only three minutes____he finished this painting是填before.before在句中该如何解释? i'm for it that you will follow their advice.此句中it's for it that 是什么句型,该句怎么翻译? I 'd even see it again if I had a chance-如何理解此句的语法,had 不好理解 It is high time you had a rest 请将此句语法结构分析一下