Complex Sentences - Correct/Incorrect

1) If they go. 2) They will go if when it rains. 3) If they go, they will need an umbrella.

1) Although I hate mushrooms. 2) I ate the mushroom pizza although I wasn't hungry. 3) It was hot, although.

1) The dog saw the cat and jumped after. 2) After the dog chased the cat. 3) After the dog spotted the cat, he chased after it.

1) As the dog barked. 2) The dog barked as he looked out the window. 3) The bark was loud as the dog.

1) Since it is snowing, the roads are icy. 2) The roads are icy since the weather. 3) Since the roads are icy.