The dog barks.
*Dog barks.
*The dog bark.
The dog chased the cat.
*The dog chased cat.
*The dog chased.
*The dog barked the cat.
The cat chased the aardvark.
The dog gave the cat the aardvark.
The dog gave the aardvark to the cat.
*The dog gave to the cat the aardvark.
*The dog gave the aardvark to to the cat.