Can you during ? Is during something you can do ? Can you the ? Is there someone theing outside the window right now? Can you summer ? Do your obnoxious neighbors keep you up until 2 . because they are summering ? Can you my ? What does a person do when she's mying ? Can you poodle ? Show me what poodling is. Can you pant ? Bingo! Sure you can! Run five miles and you'll be panting. Can you and ? Of course not! But can you drool ? You bet—although we don't need a demonstration of this ability. In the sentence above, therefore, there are two action verbs: pant and drool .
The first part of Carson's topic sentence Soon after the spraying had ended is a transitional clause that looks back to the previous topic: DDT spraying. Topic sentences often begin with such transitional clauses referring to the previous paragraph. The second part of the topic sentence there were unmistakable signs that all was not well shapes and controls what follows. This kind of bridging helps the reader follow Carson's argument. Notice, too, how Carson further helps the reader follow her argument by providing a more focused version of the topic sentence later in the paragraph All the life of the stream was stilled. This sentence tells us exactly what Carson meant by all was not well.