4B Modals of obligation: must, have to, should. Key

ex a 2 mustn't / 3 don't have to / 4 must / have to / 5 should / 6 doesn't have to / 7 mustn't / 8 mustn't / 9 should

ex b 2 mustn't / 3 don't have to / 4 have to / must / 5 don't have to / 6 must / have to / 7 mustn't / 8 have to / must

4A can, could, be able to. Key

ex a 2 was able to / could / 3 be able to / 4 couldn't / wasn't able to / 5 not being able to / 6 be able to / 7 couldn't / wasn't able to / 8 be able to / 9 couldn't / wasn't able to / 10 's able to / can / 11 being able to / 12 couldn't / wouldn't be able to

ex b 2 couldn't / 3 be able to / 4 can / 5 been able to / 6 couldn't / 7 being able to / 8 can't / 9 Being able to / 10 be able to / 11 be able to / 12 can't

Present perfect continuous review

And here you can revise the present perfect continuous: examples, activities, listening...

3B Articles: a/an, the , no article

3 the / 4 - / 5 - / 6 the / 7 - / 8 The / 9 - / 10 an / 11 - / 12 an / 13 - / 14 - / - / 15 the / - / 16 a / - / 17 - / - / 18 an / the / 19 a / a / The / the / 20 - / -

3A Comparatives and superlatives

3 less / 4 more comfortable than / 5 younger than / 6 ok / 7 ok / 8 more modern than / 9 much better / 10 ok / 11 the most beautiful beach I've ever been / 12 the worst actor / 13 ok / 14 the best in the world / 15 nicer / 16 ok / 17 hotter / 18 the same school as / 19 as much food as / 20 ok

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