مدونة التربية و التعليم في الجزائر – دروس، فروض، نتائج امتحانات مدونة التربية والتعليم في الجزائر | تحضير الدروس، فروض واختبارات، نتائج البكالوريا وBEM، مسابقات التوظيف، والتوجيه المدرسي للطلاب وأولياء الأمور.
English — Grammar: Prefixes and Suffixes (Word Formation) — 2nd Year Secondary — Literary Stream — Baccalaureate — Algerian Curriculum
Prefixes and suffixes are affixes that change the meaning or grammatical function of words. Understanding them helps expand vocabulary and improve reading comprehension.
Common Prefixes
- Un-: not (unhappy, unfair, unable).
- In-/Im-/Il-/Ir-: not (invisible, impossible, illegal, irregular).
- Dis-: opposite (disagree, disappear, disconnect).
- Re-: again (rewrite, rebuild, review).
- Pre-: before (preview, prepay, prehistoric).
- Mis-: wrong (misunderstand, misbehave, mistake).
- Over-: too much (overcook, overeat, oversleep).
- Under-: too little (undercook, underpay).
- Anti-: against (antibiotic, antisocial).
- Co-: together (cooperate, coworker).
Common Suffixes for Nouns
- -tion / -sion: education, decision, information.
- -ment: development, agreement, government.
- -ness: happiness, kindness, darkness.
- -ity: ability, activity, equality.
- -er / -or: teacher, actor, worker.
- -ance / -ence: importance, difference, independence.
Common Suffixes for Adjectives
- -ful: beautiful, helpful, careful.
- -less: careless, homeless, endless.
- -able / -ible: comfortable, possible, reasonable.
- -ous: dangerous, famous, curious.
- -ive: active, creative, expensive.
- -al: national, cultural, natural.
Common Suffixes for Verbs and Adverbs
- Verb -ize/-ise: organize, realize, modernize.
- Verb -en: strengthen, widen, darken.
- Adverb -ly: quickly, carefully, happily.
Word Formation Table
Verb → Noun: act → action, agree → agreement.
Noun → Adjective: beauty → beautiful, danger → dangerous.
Adjective → Adverb: quick → quickly, careful → carefully.
Verb/Adjective → Noun: happy → happiness, kind → kindness.
Exercises
- Add the correct prefix: “__appear” (opposite), “__write” (again).
- Form nouns from these verbs: educate, develop, decide.
- Form adjectives from these nouns: beauty, danger, hope.
Similar Lessons
📍 Related Lessons:
- English — Future Tense: Will vs Going To — 2nd Year Secondary (Literary Stream) — Bac — Algerian Curriculum
- English — Grammar: Modal Verbs — Can, Must, Should, May, Might — 2nd Year Secondary — Literary Stream — Algerian Curriculum
- English — Grammar: The Past Perfect Tense — Formation and Usage — 2nd Year Secondary — Literary Stream — Algerian Curriculum