Which of the following sentences contains an infinitive? a. before alana brought her dog to my house, she asked my mom if it was okay. b. rita took banana bread to the firefighters who put out the fire at her house. c. trina borrowed her sister's favorite sweater when she went to the movies. d. because he trained really hard for a month, matt was able to win the race.

Acquiring english is a way of learning where you learn english by birth, this includes listening to your parents, brothers and sisters and on the whole learning it from the environment around you while mastering standard english need qualified institutes and teachers who make certain programs and syllabus to you master the standard english. this also can include a long session of academic studies before you can master the standard english.standard english is necessary for literary works, official usage and writing materials for standardized publications or when someone needs to speak publicly. in most cases the employers of a company also demand and like the use of standard english from their employees.