Understanding 'Before' and 'Ago' Usage

The video tutorial by RNA explains the difference between 'ago' and 'before'. It starts with a personal story to introduce the topic, followed by detailed explanations and examples of how to use 'ago' and 'before' in sentences. 'Ago' is used for specific times in the past, while 'before' is used for unspecified times. The lesson concludes with a recap and encourages viewers to comment with questions.

What was the main reason the narrator felt lucky about being late?

• There was no traffic.

• The boss was also late.

• The meeting was canceled.

• The office was closed.

What is the primary use of the word 'ago'?

• To refer to an unspecified time.

• To describe future events.

• To talk about ongoing actions.

• To indicate a specific time in the past.

Why can't 'before' be used in the sentence 'His father retired 5 years ago'?

• Because 'before' is used for future events.

• Because 'before' is used with present perfect tense.

• Because 'before' requires a specific time.

• Because 'ago' is used for specific past times.

What does the word 'before' imply in a sentence?

• A continuous action.

• A specific time in the past.

• An unspecified time from the past to now.

• A future event.

Why can't 'ago' be used in the sentence 'I have met John before'?

• Because 'ago' is used for future events.

• Because 'ago' requires a specific time.

• Because 'ago' is used for unspecified times.

• Because 'ago' is used with present perfect tense.

In which tense is 'before' commonly used?

• Simple present

• Future perfect

• Present perfect

• Past continuous

What is the difference between 'ago' and 'before' in terms of time specification?

• 'Ago' is for present times, 'before' is for future times.

• 'Ago' is for specific past times, 'before' is for unspecified past times.

• 'Ago' is for future times, 'before' is for past times.

• 'Ago' is for unspecified times, 'before' is for specific times.

Which sentence correctly uses 'ago'?

• He left the party before.

• I have met him ago.

• She called me two days ago.

• We will meet ago.

Which sentence correctly uses 'before'?

• She has visited the museum before.

• He left the office ago.

• I saw him before two days.

• They will arrive before two days.

What does the sentence 'He moved to the USA 10 years ago' imply?

• He will move to the USA in 10 years.

• He moved to the USA 10 years from now.

• He moved to the USA 10 years in the past.

• He moved to the USA 10 years in the future.