you may say what you will.(what是关系代词,相当于that which,what you

you may say what you will.(what是关系代词,相当于that which,what you will 是定语从句吗?谁有更合理的见解么?）

此句为宾语从句,可参照下列解说：
一.主从复合句的分类：
英语中的主从复合句从功能上可分为下列几种类型：
1.主语从句
2.宾语从句 （1）时间
3.表语从句 （2）地点
4.状语从句----------（3）原因
5.定语从句 （4）条件
（5）目的
（6）结果
（7）让步
（8）方式
（9）比较
作为学生,完全没有必要死记硬背主从复合句的种类,而是更加着眼于英语主从复合句的特点和使用要点.这也是对主从复合句考核的重要内容.
二.主从复合句的要点：
1.连词（主从复合句的连接词）的选用
A类：that
B类：if,whether
C类：what,when,where,who.why,whose,which
how,whom
D类：since,as,while,before,after,till,until
once,whenever,wherever,because,unless
though,although,
E类：as soon as,as long as,so long as,
in case,so that,in order that,
so...that,such...that,as if,
each time,next time,
the first time,the last time
by the time,from the time.
2.时态前后呼应
A:主句是现在时,从句任意
(1)He always helps me with my English when he has time.
(2)She always says that she had a tough life in the past.
(3)Nobody knows what he will do in the future.
（4)The boys are talking about the football game which was shown on TV yesterday.
(5)The students are talking while the teacher is speaking in the class.
B:主句是过去时态,从句必须是过去时态
(1)He told me on the phone that he was driving on the highway.
(2)They wanted to know whether they had passed the exam.
(3)Students were discussing what they would do in the future.
(4)I wondered where the boy came from.
(5)We were cleaning the room while he was playing the video game.
3.从句永远用陈述语序
特别是当连词为特殊疑问词时,此时,必须明了的是,从句并非特殊疑问句.因而,从句不得用问句形式,而必须用陈述语序.
(1)I asked him what he was doing there.
(2)They wanted to know where I had been.
(3)The teacher wondered why he was late for class.
(4)He told us whom the house belonged to.
(5)I felt surprised how he made it.
4.主句是现在将来时,从句用一般现在时（主将从现）
英语的主从复合句中,主句为现在将来时,从句则必须是一般现在时,此时的从句多作为一种先决条件,表明无论是现在还是将来,只要条件满足,则主句的动作就将发生.
(1)We will have a meeting as soon as he comes back.
(2)We will have an outing if it doesn't rain tomorrow.
(3)They are going to have a football game with Class 3 when they are free.
(4)Nobody will help him if he keeps cheating.
(5)She will buy some clothes as long as she has money.
三.各类主从复合句案例句
1.主语从句
A:What we need is your passion for learning English.
B:Why he was late still remianed a question.
C:Whether we should rebuild our hometown in the original place is being discussed.
2.宾语从句
A:They said that they had finished their work on time.
B:I told them I would be back in an hour.
C:The teacher wondered where the students had gone.
3.表语从句
A:He is what he was before.
B:She appeared that she had nothing to do with it.
C:Their idea sounded that they had no way out.
4.状语从句
A:They were watching TV when I came in.（时间）
B:He knows where we can find a hotel.(地点）
C:Since we have not enough money,we will have to give up this plan.(原因）
D:She would do it again if she found a mistake in her homework.（条件）
E:The old man gets up so early that he can have enough time to exercise.（目的）
F:The box is so heavy that nobody can move it.(结果）
G:One should be punished if he breaks the law,no matter who he is.(让步）
H:He walks as if he is drunk.(方式）
I:You don't study so hard as Tom does.(比较）