Which tense allows for the sequencing of two or more noncontinuous events that occur in the same time period? progressive

Which of the following citations correctly follows mla guidelines? a. tanya somanader. "we are stronger because we aredemocracies': president obama addresses the people ofestonia." the white house blog 3 sept. 2014. print. 4 sept. 2014.b. "we are stronger because we are democracies': presidentobama addresses the people of estonia" by tanya somanader.the white house blog 3 sept. 2014. web. 4 sept. 2014.c. somanader, tanya. "we are stronger because we aredemocracies': president obama addresses the people ofestonia." the white house blog 3 sept. 2014. web. 4 sept. 2014d. somanader, tanya. the white house blog. "we are strongbecause we are democracies: president obama addresses thepeople of estonia." 3 sept. 2014. web. 4 sept. 2014.

Atheme from letter 4 in frankenstein is “friendship is sometimes born in the most unconventional places and situations.” this theme is conveyed through the conversations between walton and frankenstein, and these talks lead them to become confidants and friends. describe a theme from letter 3 of frankenstein and a different theme from letter 4. how are these themes conveyed in each letter? provide evidence from the text to support the themes expressed in each letter.

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