Lesson	Theme
1	Past Simple vs. Past Continuous (Progressive)
2	Used to vs. To be used to
3	Past Simple vs. Present Perfect
4	Present Perfect vs. Present Perfect Continuous
5	Past Perfect
6	Future with Going To or Will
7	Future with Present Continuous or Present Simple
8	Other ways to make Future Tense
9	Another vs. The Other and Other(s) vs. The Other(s)
10	Modals for deductions: can't/cannot, can't have, could, couldn't, must, must have, would have
11	Modals for prohibition: can't/cannot, couldn't, may not, mustn't
12	Modals for concession: May, may not, may have, may not have, might, might not, might have, might not have
13	Modals: Shall, Shan't
14	Modals: Should/Ought to
15	Modals: Would, Wouldn't
16	Connecting ideas: Time clauses
17	Connecting ideas: Reason clauses
18	Connecting ideas: Result clauses
19	Connecting ideas: Purpose clauses
20	Connecting ideas: Concession clauses