请问sth is sufficient to do sth结构中的不定式作什么成分？该结构中的主语和不定式构成什么关系？学生查了牛津，朗文，科斯林例句均为主谓关系，The reasons aren't sufficient to justify the ban. The money aren't sufficient to cover everything that nee...
...大全 18.35 Extraposition of a clausal object中写道：When the object is an -ing clause in SVOC and SVOA clause types, it can
undergo extraposition; when it is a to-infinitive clause or a that-clause, it
must do so我的疑问：只见过SVOC句型有形式宾语it的情况，没见过SVOA句型...
Their concern is that a vicious circle may set in, with those unable to cope with the real world retreating further and further away into the virtual one beyond the computer screen. 请问老师，本句的with复合结构（with + 代词 + to do）里面是否又包含了一个现在分...
... party? 你知道他是否会来参加聚会？I wonder if it’s true (or not). 我想知道这是不是真的。Frankly, I doubt if he’ll pass the exams. 坦率地说，我怀疑他能否通过这些考试。She asked if the mail had come. 她问邮件到了没有。We should determine / decide ...
...m the nearest town. 当地有往返最近城镇的班车。
I rely on the train to take me to and from work each day. 我每天靠火车上下班。
Every day I ferry the children to and from school in my car. 我每天用车接送孩子上学。
请问：还有哪些两个介...
新概念二册L33课：She knew she was near the shore because the light was high up on the
cliffs. 句中high up与on the cliffs之间的关系？high up在此是adj？还是adv？起什么作用？与on the cliffs什么关系？
...on which tends to
dramatically degrade the longer it sits in the ocean and is exposed to the sun.请问老师们，句中的 the longer
it sits in the ocean 是一个条件状语从句吗？以及“the+比较级，the+比较级”这样的结构常常是两两出现的，但是为什么句子里只...
Because her sonisinterested in reading,she often buys books for her son.如何把这个原因状语转化为独立分词结构呢？Her son being interested in reading,Her soninterested in reading,不知哪一种改法正确？这个being在这种情况下，到底是去还是不去？或者说in...
...The prince knew that unless the girl's foot could fit the shoe, it was not the right girl.unless 在一般用法中也符合“主将从现”或“主情从现”，但是在一般过去时中，就像上面这句(教材原句)，有没有什么在过去时态中的规则？如果同时向后...
The United Nations 的意思是“联合国”，它是一个机构，所以作主语时谓语动词通常是单数的。比如：The United Nations is an international organization. 联合国是个国际性组织。The United Nations has issued a condemnation of the regime. 联合国发表声明谴...
The firm now hopes to work with human volunteers, perhaps as early as next year should America’s Food and Drug Administration play along. 为什么后半句要倒装？是因为as吗？是副词+as的结构导致的让步状语部分倒装吗？可是副词没有在句首呀？
...ws that only around half as many mainlanders are coming to the US to study now as before the pandemic seems a harbinger of worse to come.老师，您看句子成分是这样划分吗？划横线的是整个句子的主干，绿色是同位语从句的主干。问题是as many mainlanders是副词短...