What are complex and simple sentences?

Hello :)

Today Im Gonna Teach You About Complex And Simple Sentences :)

- Simple Sentences Is When You Have The Same Subject

E.G= It Was Raining. The Rain Was So Hard

This Talks About 1 Thing And That's Rain

Complex Sentences Is When You Change The Subject And Add Things To It Like But, As , How Ever Ect.

E.G= It Was Raining. I Baked A Cake.

2 Subjects :)

Hope This Was Helpful :)...