Several words can be different parts of speech. For example and
for instance can be prepositions or transitional adverbs. When
they are used as transitional adverbs, they come at the
beginning of the sentence and modify the entire sentence. Also
pay careful attention to the fact that many transitional adverbs
are also subordinating (dependent) conjunctions. - To a great
extent, a person’s habits decide his chances of getting cancer.
For example, people who smoke are more likely to develop oral
cancer. In the example sentence given above, the expressions to
a great extent and for example are transitional adverbs and can
be removed without causing a grammatical error. Now consider the
sentence given below. - People who smoke are likely to develop
many diseases, for example cancer. In the sentence given above,
for example is used as a preposition and it connects its object
(cancer) to the rest of the sentence. Such as can only be a
preposition. It cannot be a transitional adverb or conjunction.
- He plays many m