What is the first sentence of a paragraph (the one that gives the main point) called?

Is "they" an unstressed or stressed syllable?

Iwill have sailed around the world by the end of next year. what is the verb form in the sentence? future perfect past emphatic present progressive past perfect

In the metaphor or language as a layer cake ( presented in your study unit), which of the following words could be considered a "frosting" word? a. frequently b. occasionally c. prescient d. honestly