Unit 6 Lesson 3.4 5.6 ( Had To, Could, Be Able To
Revision On Present Perfect
session 4 u3 l1,2 (continuous & going to )
session 5 u3 l1,2 (futures)
fst session (present simple) L1,2
2nd session u1 L 3,4,5 (proposition)
3rd session u2 L1,2,3,4,5(Comparison&preference)