Breakdown of Deine Mutter kann wunderschön malen.
dein
your (informal)
die Mutter
the mother
wunderschön
gorgeous
können
can / to be able to
Questions & Answers about Deine Mutter kann wunderschön malen.
Why is it Deine and not just Dein?
Because Mutter is a feminine noun. When feminine nouns are the subject of the sentence, possessive words like my or your must end in an extra e. That makes it Deine.
Why is the verb kann used here instead of a form with an umlaut like "könnt"?
The verb können (to be able to) is a modal verb. Modal verbs have irregular forms for singular subjects (I, you, he/she/it). For a "she" subject like Mutter, the vowel changes from ö to a, and there is no -t ending, giving us kann.
Why is the main action verb malen at the very end of the sentence?
This is the German sentence bracket rule! When you use a modal verb, the modal verb (kann) takes the normal second position, and the main action verb (malen) is pushed to the very end of the sentence in its basic dictionary form.
wunderschön means beautifully here. Why doesn't it have a special ending like English adverbs do with -ly?
In German, the adjective form (beautiful) and the adverb form (beautifully) are exactly the same word. When describing an action like painting, you just use the basic word wunderschön with no extra endings.