I am Hanna. I am a student, and I've been trying to improve my skill these past weeks. Whenever I have a vacant time, I spend it on Saylor's Academy.
Do you do this too? Great! You should reply to this.
[First sentence is simple, second is a compound sentence and the third one is complex. All of these are declarative sentences. The fourth sentence is an interrogative sentence, next is exclamatory and the last one is an imperative sentence.]