Meaning of AGO in English

AGO

adverb

1

BAD : The accident happened at ten years ago.

GOOD : The accident happened ten years ago.

BAD : I came to England in two years ago.

GOOD : I came to England two years ago.

BAD : He went to Sydney before five years ago.

GOOD : He went to Sydney five years ago.

BAD : I started learning English since two years ago.

GOOD : I started learning English two years ago.

2

BAD : I'm writing in reply to your letter that I've received two days ago.

GOOD : I'm writing in reply to your letter that I received two days ago.

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With references to past time such as yesterday, last week, a year ago , use a past tense (NOT the present perfect): 'I came to England exactly six months ago.' (NOT 'have come')

3

BAD : The train left at exactly 3 o'clock. Just five minutes ago I had been stuck in a traffic jam.

GOOD : The train left at exactly 3 o'clock. Just five minutes before I had been stuck in a traffic jam.

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See note at BEFORE 1 (↑ before )

Longman Common Errors English vocabulary.      Английский словарь распространенных ошибок Longman.