Using Adverb Clauses to Show Opposition

These type of clauses show an unexpected or non self-evident result based on the dependent clause. Example: He bought the car even though it was expensive. Take a look at the chart below to study the various usages of adverb clauses showing opposition.

Punctuation

When an adverb clause begins the sentence use a comma to separate the two clauses. Example: Even though the it was expensive, he bought the car.. When the adverb clause finishes the sentence there is no need for a comma. Example: He bought the car even though it was expensive.

For more information about how to use these words click on the link for an explanation of the usage.

Adverb Clauses Showing Opposition

Even though, though, although	Even though it was expensive, he bought the car. Though he loves doughnuts, he has given them up for his diet. Although he course was difficult, he passed with the highest marks.	Notice how 'though, even though' or 'although' show a situation which is contrary to the main clause to express opposition. Even though, though and although are all synonyms.
Whereas, while	Whereas you have lots of time to do your homework, I have very little time indeed. Mary is rich, while I am poor.	'Whereas' and 'while' show clauses in direct opposition to each other. Notice that you should always use a comma with 'whereas' and 'while'.