| 单词 |
when(when, while, as) |
| 例句 |
when, while, as
这些连词均可表示“当……时”引出时间从句。
when → 所引导的从句，其谓语动词既可是持续动词，也可是短暂动词；谓语动词动作发生的时间可以与主句谓语动词的动作是同时，或之前、之后。
while → 句中的谓语动词应为持续动词，不用短暂动词，谓语动作发生的时间通常与主句谓语动词动作发生时间是同时。
as → 侧重指从句与主句的动作同时进行，谓语动词可以是持续性的，可以是短暂性动词。
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| 随便看 |
- shake(shake, tremble, shiver, quiver, vibrate, shudder)
- shallow(superficial, shallow)
- shame(disgrace, humiliate, shame, dishonour)
- shameful(ashamed, shameful)
- shame(shame, disgrace, embarrassment, dishonour)
- sham(sham, fake)
- shape(mould, forge, form, shape)
- share(part, piece, section, division, portion, fraction, fragment, segment, share)
- share(share, participate)
- sharp(keen, acute, sharp, shrewd)
- shatter(break, burst, crack, crush, fracture, shatter, smash)
- shed(cabin, cottage, but, shed)
- shed(discard, scrap, shed)
- sheer(steep, abrupt, sheer)
- sheet(bit, piece, sheet, slice, fragment, scrap)
- shell(bullet, shell)
- shelter(defend, protect, safeguard, guard, shield, shelter, harbour)
- shelter(protection, refuge, shelter)
- shield(defend, protect, safeguard, guard, shield, shelter, harbour)
- shift(move, shift, transfer, remove)
- ship(boat, ship, canoe, steamer, vessel, craft)
- ship(send, deliver, dispatch, forward, ship, transmit)
- shiver(shake, tremble, shiver, quiver, vibrate, shudder)
- shock(shock, impact, collision, clash)
- shoot(branch, limb, bough, shoot)
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