The newly introduced machines have proved
為何是主系表的結構, 系動詞?? 表??
HAVE 不是助動詞嗎 prroved 不是主要動詞嗎
网校学员Pet**在学习托业目标800分-中级起点（欧标B1水平）【新题型 开学季专享班】时提出了此问题，已有1人帮助了TA。
网校助教
Wendy_Nancy
同学你好，该知识点来自沪江网校《托业目标800分-中级起点（欧标B1水平）【新题型 开学季专享班】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。
同学好，Prove是既可作行为动词,又可作系动词的，但只有当prove后跟名词或形容词作表语时，才构成系表结构时,prove才是系动词哦，这里prove后跟的是形容词，所以构成了系表结构，所以这里应为系动词。
祝学习愉快~
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托业目标800分-中级起点（欧标B1水平）【新题型 开学季专享班】
已有1人在本课程中发现了95个知识
已有67个知识得到了老师的回复
本课程热门知识点
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名词 + when / where / why + 完整句
應該是不完整句吧?
This is the city where I live
i live 不完整阿? -
Before we can begin the surgery , we will need signed permissive authorizing us to perform the procedure.
permissive 不行嗎? -
I'd rather embrace some new ideas brought by staff
turn-over
brought 前有沈略which was ? -
I completely disapprove of the statement that the decisions
people make quickly are always wrong.
are 前有沈略that?嗎 是賓語從句嗎 -
Well, I know how frustrating it is to have so much work waiting on the list
how 是賓語從句嗎? 後面frustrating為何要ing -
I'm not sure when I'll be returning
這裡的when是當甚麼關西代名詞嗎? -
To use a shared bike, what you need to do is just to scan the QR code
這邊的what 是從句嗎? -
here is an aged man leaning on the handrail of the shipboard while holding a fishing pole in his hand
while 後面有沈略主詞和動嗎 -
So when I look at these people again, I think their bags may be shopping bags, containing exciting merchandises
CONTAINING WHY USE VING ? -
,cause many online shops are around the clock.
這句與前句沒連接詞 直接使用cause連接?