اللغة الإنجليزية فصل أول

1. Need to

Used for necessity or obligation (similar to "must", but slightly weaker).

✔ Affirmative:

Subject + need to + base verb

• You need to study more.

❌ Negative:

Subject + don’t/doesn’t need to + base verb

• He doesn’t need to come early.
  (= It’s not necessary)

❓ Question:

Do/Does + subject + need to + base verb?

• Do I need to bring anything?

 

 2. Must

Used for strong obligation or logical deduction.

✔ Affirmative:

Subject + must + base verb

• You must wear a helmet.

❌ Negative:

Subject + must not (mustn’t) + base verb

• You must not touch that.
  (= It’s forbidden)

⚠ "Must not" ≠ "don’t have to"

• You mustn’t go. (= It’s not allowed.)
• You don’t have to go. (= It’s optional.)

❓ Question:

Must + subject + base verb? (Rare, often replaced with “have to” in questions)

• Must we leave now?
  (More natural: Do we have to leave now?)

 

 3. Should

Used for advice, suggestion, or mild obligation.

✔ Affirmative:

Subject + should + base verb

• You should eat healthier.

❌ Negative:

Subject + should not (shouldn’t) + base verb

• You shouldn’t stay up late.

❓ Question:

Should + subject + base verb?

• Should I call her?