ملخص الدرس / الثالثة ثانوي/اللغة الإنجليزية/Grammar/suffixes: –ic- -ment- -y- -able- -ed- – iveand -–al

PREFIXES

Prefixes are added to the beginning of a root.

Here are a few words, which can be opposite in meaning to the same root when a prefix is added.

Moral    

Immoral

agreement

      disagreement

known

             unknown

compatible incompatible
motivate demotivate
Obey disobey
Accurate inaccurate
Literate illiterate

Suffixes

Suffixes are added to the end of a root.

Organize organization
Educate education
Criticize criticism
Free freedom
Peace peaceful
Perform performance
Prefer preference
Signify significance
Brother brotherhood
Encourage encouragement
Careless carelessness
Invade invasion
Admit admission
Fame famous