这几种情况通常都是省略了it is, it指代主句内容。例如,I'll help you if necessary. (if it is necessary)
回答于 2020-11-28 21:10
1 In my heart was a desire to live more dangerously. 这是一个完全倒装句,介词短语作表语前置,主语后移。不定式是desire的定语,不是主语。2 could既不是表示能力,也不是表示推测,而是表示客观条件允许,即所谓理论上的可能性。if I could only have...= if only I could have..., 只要..., 引导条件状语从句,表示...
回答于 2020-11-28 18:53
if从句用动词的过去时表示过去时间,就是陈述语气,也就是真实条件句。if从句用动词的过去时表示现在时间或将来时间,就是虚拟语气,也就是虚拟条件。64课中,if从句were built是表示过去的,所以是对真实情况的假设,即这个条件在过去是可能实现的,有可能是真实的。88课中,if从句的knew是假设现在的,即表示的是现在时间...
回答于 2020-11-28 10:14
thumbs-up 为单数名词,词典就是这种形式。例如:thumbs-up [singular]: a gesture in which you hold your hand out with your thumb pointed up in order to say yes, to show approval, etc.The coach gave me a/the thumbs-up after I scored the goal.— often used figurativelyOur proposal got a/the thumbs-up. [=o...
回答于 2020-11-28 09:30
that will buy us time while our inventors get to work为定语从句修饰conversation。其中while从句为定语从句中will buy的时间状语。
回答于 2020-11-28 09:24
你的句子中,it is 是可以省略的。如果主句和从句比较的是不同状语情况下某性质的不同,则从句可以省略主谓结构,只保留状语。从句省略的主谓结构可以和主句时态不同,但结构是相同的。例如下面COCA语料库例句:Cellular phones were not as prevalent as today.This would explain why modern diseases were not as preval...
回答于 2020-11-28 08:12
这不是一个完整的句子,而只是but后接一个名词性从句。wherefore=why, 在此为疑问副词,在强调句型中引导名词性疑问分句。相当于:But why it was that...我用一个简单的句子解释。I sold my house because I needed a lot of money to pay my medical bill.用强调句型强调原因状语:It was because I needed a lot of mone...
回答于 2020-11-28 07:44
Most parts为宾语前置,we 主语 could build 谓语,right at Mojave 地点状语 using...方式状语(其中带有定语从句)。
回答于 2020-11-27 23:53