The German Modal Verb “Können” Quiz B

This Quiz continues German Modal Verb “können” Quiz A .
And if you’d like to learn even more about this modal verb, click on our sister site’s post German Modal verb “können”.
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Here is now our German Quiz #2 with the German Modal verb “können”:

German Modal Verb “können” Quiz B

Fill in the correct forms of "können"! (Hint: Simple Past  and Imperfect Subjunctive Tenses!)