Buy the book If you are going to the ESL program soon, you don’t need the book. Amazon.com: Grammar and Beyond Level 1 Student’s Book and Writing Skills Interactive Pack: 9781107695719: Reppen, Randi, Cahill, Neta, Hodge, Hilary, Iannotti, Elizabeth, Lockwood, Robyn Brinks, O’Dell, Kathryn, Hills, Susan: Books
Verbs Followed by Gerunds and Infinitive List of Verbs Followed by Gerunds or Infinitives (thoughtco.com)
Exercises with Adjective Clauses English Grammar: Adjective Clauses – Subject & Object Relative Pronouns (englishcurrent.com)