从句类型 常用连词
补充
方式状语 as, as if /
从句
though, ...
the way, rather than也可引导 方式状语从句
程度状语 从句
比较状语 从句
so (that), such that, as / so far as, as / so long as, ...
to the degree / extent (that)也 可引导程度状 语从句
as 从句谓语动词一般为延续性动词。主 从句动作同时发生或交替进行,意为“一边……, 一边 …;随着…”
.
例句:
It was raining when we arrived. 我们到达时,天正在下雨。 While I was watching TV, the bell rang. 我在看电视时,铃响了。 As she grew older, she gained in confidence. 随着年龄的增长,她的自信心增强了。
从句
as, only if,
provided, ...
补充
if 不能用whether 替换;on condition that, suppose / supposing (that) 也可引导条件状 语从句
四、条件状语从句
if、 unless、providing/provided that (如果)、 suppose that (假如)、in case that (万一)、 on condition that (如果)、as/so long as (只要)。
By the time you have finished the task, the guests will get back. 当你完成任务时,客人就回来了