Bibliography
Biber, D., Johansson, S., Leech, G., Conrad, S., & Finegan, E. (1999). Longman grammar of spoken and written English. Longman.
Palmer, F. R. (2001). Mood and modality. Cambridge University Press.
Millar, N. (2009). Modal verbs in TIME: Frequency changes 1923–2006. International journal of corpus linguistics, 14(2), 191-220.
LINKS TO OTHER PROJECTS
Politifact: https://www.politifact.com/truth-o-meter/promises/
What America’s Governors Are Talking About by FiveThirtyEight.
The American Presidency Project by University of California, Santa Barbra.
BACKGROUND PHOTO CREDITS
Men standing in front of U.S. flag-Photo by Brett Sayles from Pexels
black-and-white-bracelet-cooperation-814544-Photo by Savvas Stavrinos from Pexels
Mount Rushmore-https://unsplash.com/photos/PSY_KuMcTJU
U.S. Map on GOVERNER page background-Photo by John-Mark Smith from Pexels
black-and-white-black-and-white-monochrome-707676-Photo by Andrey Grushnikov from Pexels