Linking Verb Quiz

Is there a linking verb in this sentence 'Maria smelled like a rotten fish because she didn't shower for 3 days'?

Is there a linking verb in this sentence 'Tom feels depressed because he forgot his homework at home'?

Is there a linking verb in this sentence 'His uncle will be here next week'?

Is there a linking verb in this sentence "She runs to class on time"?

Is there a linking verb in this sentence "Penny become a doctor because she wants to"