In which sentence is the word in bold a participle?

a. be careful not to wake the sleeping baby.

b. i was so agitated last night i just wanted to go to sleep.

c. sleeping is the best thing in the world for your body.

d. she looks so cute when she sleeps with her teddy bear.

The answer is option ‘A’.  The sentence 'be careful not to wake the sleeping baby' has a participle in it.

Explanation:

In the participle phrase 'sleeping baby’, 'sleeping' is the participle formed from the verb ‘sleep’ and acting as an adjective describing the baby.  A participle is a word formed from a verb and acts as an adjective.

There are three kinds of participle:

Present participle formed by adding –ing to the verb.  For example, the laughing girl , smiling child, etc,

Past participle is formed by adding –ed , -en , -d , -t or  -n. It is third form of the verb.  For example, colored castle, Sunken face, etc,

Perfect participles are formed by joining ‘having’ with ‘past participle’.  For example, having said , having stated, etc,

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