BY – Preposition of Time || BY vs BEFORE vs UNTIL || Prepositions of Time Lesson || Chapter - 6

Описание: In this complete English grammar lesson, you’ll master the preposition BY and understand how to use it correctly for deadlines and time limits.

Many English learners confuse:
❌ by vs before
❌ by vs until
❌ by tomorrow (too vague!)

This lesson explains everything clearly.

🔹 In This Video, You’ll Learn:

✔ The core meaning of BY (not later than)
✔ How BY sets a deadline
✔ The difference between BY vs BEFORE vs UNTIL
✔ Why “by 5 PM” includes 5:00 exactly
✔ Common mistakes learners make
✔ 10 real-life deadline examples
✔ How to use BY in work, school, and daily life

⏳ Core Rule:

BY = Not later than a specific time

You can finish:
• Before the deadline ✅
• Exactly at the deadline ✅
• After the deadline ❌ (too late)

Example:
“Submit the report by 5 PM.”
5:00 is okay.
5:01 is late.

🔥 Critical Difference:

• Before 5 PM → 5:00 is too late
• By 5 PM → 5:00 is still okay
• Until 5 PM → Continuous action stops at 5

This small difference can change meaning completely.

📘 Part of the Prepositions of Time Series

Previous Lessons:
• AT – Exact Time
• ON – Days & Dates
• IN – Longer Periods
• BEFORE – Earlier Sequence
• AFTER – Later Sequence

Next Lesson:
• UNTIL – Continuous Action Up To Time

Mastering BY improves workplace communication and deadline clarity.

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