Parallel<span> structure means using the same pattern of words to show that two or more ideas have the same level of importance. This can happen at the word, phrase, or clause level. The usual way to join </span>parallel<span> structures is with the use of coordinating conjunctions such as "and" or "or."</span>
<span>Gwendolen portrays Victorian qualities of being superficial. She seems to be untrue about her feelings for Jack by just showing off herself in front of the crowd.
</span><span>Gwendolen's lines imply that her brother is flirtatious. Based on her description, her brother seems to propose to a number of girls.</span>
"Today nobody brought his or her instrument" is correct. It is common for people to use "their" in a sentence like this, but "his or her" is the more proper term.
Pairs of words with the same meaning
