Common Mistakes : Ago

Ago – Adverb

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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

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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

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

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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