Contrasting Verbs:

The woman is carrying the suitcase.
The woman is opening the suitcase.

The girl is catching a ball.
The girl is hitting a ball.

The mother is holding the baby.
The mother is washing the baby.

The man is pulling the sled.
The man is holding the sled.

The baby is pulling the duck.
The baby is hugging the duck.

The man is pushing the car.
The man is driving the car.

The girl is riding her bike.
The girl is washing her bike.

The boy is splashing the girl.
The boy is helping the girl.

The father is tickling the baby.
The father is washing the baby.

The man is washing the dog.
The man is carrying the dog.

Contrasting Objects:

The woman is carrying the suitcase.
The woman is carrying the groceries.

The girl is kissing the teddy bear.
The girl is kissing the boy.

The mother is giving the baby a present.
The mother is giving the baby a bottle.

The mother is holding the baby.
The mother is holding the cat.

The baby is pulling the duck.
The baby is pulling the wagon.

The man is pushing the car.
The man is pushing the lawnmower.

The girl is riding her bike.
The girl is riding her horse.

The girls are splashing their mother.
The girls are splashing their father.

The girls are tickling their mother.
The girls are tickling their father.

The mother is washing the baby.
The mother is washing the car.

Contrasting Subjects:

The woman is carrying the suitcase.
The boy is carrying the suitcase.

The boy is washing the monster.
The monkey is washing the monster.

The mother is giving a present to the baby.
The father is giving a present to the baby.

The woman is holding a cat.
The bear is holding a cat.

The dog is pulling a sled.
The girl is pulling a sled.

The man is pushing the car.
The woman is pushing the car.

The cowboy is riding a horse.
The girl is riding a horse.

The girls are splashing their father.
The boys are splashing their father.

The father is tickling the baby.
The mother is tickling the baby.

The mother is washing the baby.
The father is washing the baby.

Reversibles (Subject/Object):

The rabbit is brushing the cat.
The cat is brushing the rabbit.

The teddy bear is kissing the girl.
The girl is kissing the teddy bear.

The mouse is painting a picture of the girl.
The girl is painting a picture of the mouse.

The bear is riding the lion.
The lion is riding the bear.

The boy is splashing the girl.
The girl is splashing the boy.

The father is tickling his baby.
The baby is tickling his father.

The monster is washing the monkey.
The monkey is washing the monster.

The monkey is holding up the elephant.
The elephant is holding up the monkey.

The purple guy is covering the baby.
The baby is covering the purple guy.

The father is feeding his baby.
The baby is feeding his father.

More Information about Simple Sentence Structure Sterling Edition