1) Must have + Past Participle for making deduction about the past
https://www.youtube.com/watch?v=7e3Mx2khkdQ
2) Ideas for teaching the Third Conditional
https://www.youtube.com/watch?v=yx8zDdINkb8
3) Time-filler to practise Gerund ( īSimon īs problems �)
https://www.youtube.com/watch?v=WGjLjH-Bawg
4) Have to/Has to
https://www.youtube.com/watch?v=MWgQAezEKOs
5) Don īt have to/Doesn īt have to
https://www.youtube.com/watch?v=Bzk20L0-heY
6) Mustn īt for prohibition
https://www.youtube.com/watch?v=t4OK2y6YOOM
7) Must for deduction
https://www.youtube.com/watch?v=-fCVq8CXH-Q
8) Regrets about the past (wish + past perfect)
https://www.youtube.com/watch?v=b8TYLfjhGZE
9) Future Simple for spontaneous decisions
https://www.youtube.com/watch?v=P5ES3MbNr5g
10) Past Simple for actions in the past
https://www.youtube.com/watch?v=x3MtKvePokY
