Obligation, possibility, permission, prohibition

 https://www.baamboozle.com/game/2124003

https://www.baamboozle.com/game/1172455

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WAS/ WERE, PHYSICAL APPEARANCE

 https://wordwall.net/ro-ro/community/was-were

https://wordwall.net/en-us/community/physical-appearance

Present Simple and Present Continuous

 https://wordwall.net/en-gb/community/present-simple-present-continuous

https://www.baamboozle.com/bigquiz/4200900/1

Present Perfect Simple Versus Past Tense Simple

https://www.baamboozle.com/game/43208

Ready to play, new window: https://www.baamboozle.com/bigclassic/43208

https://www.perfect-english-grammar.com/support-files/present_perfect_or_past_simple_2.pdf:

https://www.baamboozle.com/game/3072451

Opposites

 https://wordwall.net/en-gb/community/opposites