The four possibilities are: simple sentence, compound sentence, complex

sentence, or compound-complex sentence.

1.This is a simple sentence.

2.I like playing basketball, and my brother likes playing tennis.

3.My mother cooked dinner while I was doing my homework.

4.Bobby returned the watch to the store; therefore, the clerk returned his money.

5.While I was doing my homework, my father cooked the dinner, and my mother was

asleep in front of the television.

6.My family came to Germany when I was in grade 5, but I never learned to speak German

very well.

7.She runs every day, so she is very fit.

8.Tammy overslept this morning; consequently, she missed her first class.

9.Mom and Dad werent mad at us; on the contrary, they thought that we acted responsibly.

10.The new girl in his class has a brother in grade 7 and a sister in grade 9.

11.Although it was cold and the rain was getting heavier, we decided to go fishing as

planned.

12.The students were overjoyed with their grades; in fact, they had a party after class.

13.To build a doll's house you need wood, a hammer, a saw, and a lot of nails.

14.She failed her driving test because she didn't look in her mirror often enough.

15.The car was running out of gas; as a result, I had to find a gas station qui