Answer:
the simple subject is "if you need one"
and the simple predicate is "then buy a cell phone"
Explanation:
The simple subject is "if you need one" because it only tells the beginning.
The simple predicate is "then buy a cell phone" because it is at the end and doesn't tell why should you buy a cell phone!
your welcome!
A tweet which can be perceived through text alone can be understood subjectively. The voice and gestures are very significant in conveying a message. Without this, your "tweet" can be interpreted in various ways, even without you intending it to sound a certain way.
