Look at the following examples. Decide if they are phrases, incomplete sentences, simple sentences, compound sentences, or complex sentences.
1.  "Because of the opposition from the religious groups and some legal professionals, euthanasia is still not legalized in Hong Kong." is
a. a phrase.
b. an incomplete sentence.
c. a simple sentence.
d. a compound sentence.
e. a complex sentence.

2. "As their lives are prolonged with the help of the life support system." is
a. a phrase.
b. an incomplete sentence.
c. a simple sentence.
d. a compound sentence.
e. a complex sentence.

3. "If the patients suffer from pain which we cannot imagine." is
a. a phrase.
b. an incomplete sentence.
c. a simple sentence.
d. a compound sentence.
e. a complex sentence.

4. "Unless the patient is proved brain dead, no doctors can stop treating him." is
a. a phrase.
b. an incomplete sentence.
c. a simple sentence.
d. a compound sentence.
e. a complex sentence.

  part II