Introduction Here are some links to some grammar exercises. https://owl.english.purdue.edu/exercises/2/2/8/ https://owl.english.purdue.edu/exercises/2/2/9/ https://owl.english.purdue.edu/exercises/5/25/6/ https://owl.english.purdue.edu/exercises/5/18/38/ https://owl.english.purdue.edu/exercises/6/9/24/