Present perfect vs past simple

• 1 Present perfect vs past simple

  1.1

  确定的过去 vs 与现在相关

  

  *Pretérito Imperfeito vs. Presente Perfeito

  Ambos referem ao passado; a diferença está em especificar tempo e relação com o presente:

  • 一般过去时 (past simple): 动作在确定的过去时间结束, 和现在无关。
  • 现在完成时 (present perfect): 不说具体时间, 强调对现在的影响或经验。

  我I 看saw 他him 昨天yesterday.

  Vi-o ontem. (tempo específico → Pretérito Imperfeito)

  我I （完成时）have 看seen 那部that 电影film.

  Já vi esse filme. (experiência sem data → Presente Perfeito)

  注意 一旦出现 yesterday、last week、in 2019、ago 等确定过去时间, 就用一般过去时, 不用完成时。

  1.2

  Palavras-chave

  Observe estas palavras para distinguir os tempos:

  • 一般过去时: yesterday、last night、… ago、in 2019、then、when。
  • 现在完成时: just、already、yet、ever、never、so far、recently、since、for。

  她She （完成时）has 刚刚just 到达arrived.

  她刚到。(just → 现在完成时)

  他们They 离开left 一an 小时hour 前ago.

  他们一小时前就走了。(ago → 一般过去时)

  注意 同一句里别混用: ~~I have seen him yesterday~~ ✗ → I saw him yesterday ✓。

  1.3

  been 与 gone

  两个都是 go 的相关形式, 但意思不同:

  • have been to: 去过(已经回来)——表示经验。
  • have gone to: 去了(还在那里 / 在路上)。

  他He （完成时）has 去过been （介词）to 日本Japan.

  Ele visitou o Japão. (foi e voltou agora)

  她She （完成时）has 去了gone （介词）to （冠词）the 银行bank.

  Ela foi ao banco. (ainda não voltou)

  注意 "去过某地"用 been to; "去了还没回"用 gone to。

  Erros Comuns

  • ❌ ~~When have you arrived?~~ → ✓ When did you arrive? — when 问的就是具体过去时间, 必须用一般过去时。
  • ❌ ~~I have finished it just now.~~ → ✓ I finished it just now. / I have just finished it. — just now(刚才)配过去时; just(刚刚)配完成时。
  • ❌ ~~I lost my keys — can you help me look?~~ → ✓ I have lost my keys… — 钥匙现在还没找到, 影响延续到现在, 用完成时更准确。
  • ❌ ~~This is the first time I go there.~~ → ✓ This is the first time I have been there. — "第一次 / 最好的一次"句型固定配现在完成时: the first time / the best film I have ever seen。

Todos os tópicos · Gramática Inglesa · Nível B1