W1-S-1.22
Key Structure: past modal: “must have been…+ age”: Drill Slides from Video
W1-S-1.23
Key Structure: past modal: “must have been…+ age” Natural use of the structure in Part 1 answers Slides from Video
W1-S-1.21
Key Structure: past modal: “must have been…+ age” 1: Explanation of the advanced structure “must have been” used with age (eg I must have been about 7 or 8 years old) and how to use it in Part 1 Slides from Video