2020年高考英語語法語法專題
主從復(fù)合句
主從復(fù)合句連接詞
1.名詞性從句（主語從句、表語從句、賓語從句、同位語從句）
that (無中文意思，無語法功能)
whether / if , as if / as though because (有中文意思，但無語法功能)
who whom whose which when where why
how (how many…) how often how soon how long (所有含有w / h引導(dǎo)的從句均為從句連接詞)
w / h - ever (用在名詞性從句中表示強(qiáng)調(diào)的作用)
2.定語從句引導(dǎo)詞（限定性與非限定性；定整體與定部分的認(rèn)知）
which who that whom whose when where (介詞+which)
名詞 + of + which
which / as 引導(dǎo)非限定性定語從句
3.時(shí)間狀語從句
when while as
as soon as (the moment the minute the second directly immediately hardly had…when
no sooner had…than scarcely had…then)
before since until just as
after till once
each time every time the first time the last time the year (名詞作為連詞)
4.原因狀語從句
because since as now that seeing that considering
when (既然)
5.條件狀語從句
if unless provided (providing) supposing
suppose (that) (大寫放在句首使用) on condition that
as long as so long as in case (that) once
6.目的狀語從句
so that (后面有情態(tài)動詞can / could may / might) in order that
7.結(jié)果狀語從句
so…that such…that so that (后面無任何情態(tài)動詞)
8.方式狀語從句
as just as (in) the way
as if / as though (后面根據(jù)句子邏輯采用虛擬或非虛擬)
9.比較狀語從句
as…as not so…as than
倍數(shù)比較的各種句型
10.地點(diǎn)狀語從句
where wherever
11.讓步狀語從句
although though no matter + w /h w / h - ever
whether…or…
while
as (倒裝)
even if / even though (根據(jù)句子邏輯采用虛擬或者非虛擬)