Examples 

Here are examples of linking verbs in sentences with the linking verbs bolded:

• William is excited about his promotion.
• She appears upset about the announcement.
• The eggs smell rotten.
• He went red after tripping on the rug.
• Your plans for the wedding sound nice.
• You look exhausted after studying all night.
• I am putty in his hands.
• Maria might have been more forthcoming with the news.
• Tom acted nervous when the teacher found the note.
• The audience fell silent when the conductor walked on stage.
• Dreams come true when we believe in them.
• The crowd stayed calm in spite of the imminent threat.
• All the children seem satisfied with the bouncy castle.
• Bob felt sleepy after eating the whole pizza.
• The cinnamon rolls taste heavenly.
• Building the house proves difficult for them.
• Anthony has been a dream the last few weeks.
• The spectators remained silent after the injury on the field.
• He became suspicious when he saw the safe was open.
• All the kittens were playful.
• The theater gets dark when the show is about to begin. 
• Some couples are lucky enough to grow old together. 
• I feel worthy when the boss compliments me.
• The weather was accommodating and the party continued.
• The embers turn ashy as they cool.
• You are being very foolish to believe her.
• Mary waxed nostalgic on her 50th birthday.
• Your friend might be disappointed if you don’t go.
• Sometimes, kids act foolish.
• We are dismayed about the foreclosure.
• The tests indicate that your child is gifted.
• Martin does like very spicy food. 
• Jumping into a pond could be dangerous.
• Most children get cranky when they are sleepy.
• After the snowstorm, the roads were slippery.
• A flaw in the design appeared to be the cause of the collapse.
• The vegetables in the bin looked disgusting and spoiled.
• They shall be happy ever after.
• Riding in a car will be safer with a seat belt.
• The police department is getting tough on crime.
• She remains faithful, even though it has been two years since he left.

More Linking Verbs

• Act
• Acted
• Am
• Appear
• Appeared to be
• Has appeared
• Have appeared
• Should have appeared
• Are
• Are being
• Be
• Become
• Became
• Has become
• Have become
• Had become
• Will become
• Will have become
• Can be
• Come
• Could have come
• Could be
• Do
• Does  
• Did
• Fall
• Feel
• Fell
• Felt 
• Get
• Go
• Got
• Is getting
• Grew
• Grow  
• Had
• Had been
• Has
• Has been
• Have
• Have been
• Indicate
• Is
• Is being
• Keep
• Look
• Looked
• May be 
• Might be 
• Might have been
• Must 
• Prove
• Remain
• Remained
• Seem
• Seemed
• Seeming
• Seems
• Has seemed
• Have seemed
• Had seemed
• Will seem
• Shall be
• Shall have been
• Should be
• Should have been
• Smell
• Sound
• Stay
• Stayed
• Taste
• Tasted
• Turn
• Was
• Was being
• Wax
• Waxed
• Went
• Were
• Will be
• Will have been 
• Would be