20170821_001.m4a

Explanation for unit 15 especially ;
 -vocabulary 
 -expressions & prepositions
 توضيح ل وحدة 15 في الإنجليزية، قانوية عامة و خاصة ؛
- الكلمات اللغوية
-تعبيرات و حروف جر

Marwan Abbas - Perfect Explanation for Unit 15 - Thanaweya 3amma

Past perfect tense : 
1st - past perfect simple
2nd - past perfect continuous

past perfect tense.m4a

Deduction using "Modal verbs" 
- how to make a strong or a weak deduction in present.
- how to make a strong or a weak deduction in past.