Measure words are common with uncountable nouns, but some of them can also be used withcountable nouns, for example: two boxes of matches, a can of worms.
To use the modal verb 'must' when you talk about the past.
When do you use mich vs mir? Also why is it "Mir ist kalt" instead of "Ich bin kalt"?
Generating questions for collocations
What does "before it fades to black" mean?
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