Understanding the Difference Between 'For' and 'Since' in English Grammar

This video tutorial provides quick English tips focusing on the prepositions 'for' and 'since'. It explains their usage in expressing duration and specific start points, respectively. Examples are provided to illustrate the differences, and a practice exercise is included to reinforce learning.

What is the primary function of the prepositions 'for' and 'since'?

• To indicate the location of an action

• To show the duration of an action

• To describe the subject of a sentence

• To express the mood of a speaker

Which of the following sentences correctly uses 'for'?

• She has been here since two hours.

• I haven't seen him for last week.

• He will arrive for 5 PM.

• They have lived there for a decade.

Which tense is 'for' compatible with?

• Only past tense

• Only future tense

• All tenses

• Only present tense

What does 'since' indicate in a sentence?

• An action that will happen in the future

• A general time period

• A specific point in time in the past

• A hypothetical situation

Which of the following sentences correctly uses 'since'?

• He is here since a week.

• They will start since tomorrow.

• She has been working since 2010.

• I have been waiting since two hours.