1. The Four functions of a sentence

2. Declarative Sentence London is a city in England.
Declarative sentences are used to declare, or state, facts.
London is a city in England.
Some Native Americans used smoke signals to communicate with one another.
A declarative sentence states an idea and ends with a period.

3. Interrogative Sentence
To interrogate means “to ask.” An interrogative sentence is a question
In which countries do tigers live?
Has anyone here ever recorded a song in a studio?
An interrogative sentence asks a question and ends with a question mark.

4. Imperative Sentence [you] Follow the directions carefully.
Imperative sentences give commands or directions. The subject is usually what is called the “implied YOU.”
[you] Follow the directions carefully.
[you] Toast the bread until it is golden- brown.
An imperative sentence gives an order or a direction and ends with either a period or an exclamation mark.

5. Exclamatory Sentence This is an outrage!
Exclamatory sentences are used to express emotions.
This is an outrage!
What a horrible program that was!
An exclamatory sentences conveys strong emotion and ends with an exclamation mark.

6. Give It a Try You have to wait your turn.
I attended the Shakespeare Club meeting.
Why do we have to take so many tests?
Stop!
Where on earth did he go?
Be sure to heat the water to boiling before you add the noodles.
OMG, you are so lame!
declarative/interrogative/imperative/exclamatory