Answer:
1. The blouse costs $5.99.
<u><em>Subject- The blouse, Verb- costs, object- $5.99.</em></u>
2. I run 5 kilometers every day.
<u><em>Subject- I, verb- run, Object- 5 kilometers everyday.</em></u>
3. She likes red roses.
<u><em>Subject- She, verb- likes, object- red roses.</em></u>
Explanation:
A sentence generally has a subject, verb and an object. The subject is the doer of the verb, the thing or person executing the action. The verb is the action that is done while the object is the receiver of the action.
The given sentences are classed or identified as follows-
1. The blouse costs $5.99.
<u><em>Subject- The blouse, Verb- costs, object- $5.99.</em></u>
2. I run 5 kilometers every day.
<u><em>Subject- I, verb- run, Object- 5 kilometers everyday.</em></u>
3. She likes red roses.
<u><em>Subject- She, verb- likes, object- red roses.</em></u>