1. Complete the sentences using the past continuous tense:

a) I _____ (watch) TV when the phone rang. b) They _____ (play) soccer when it started raining. c) She _____ (cook) dinner while he was studying. d) We _____ (walk) in the park when we saw a squirrel. e) He _______ (read) a book while waiting for the bus.

1. Complete the sentences using the “if zero conditional”:

a) If it _____ (rain), I will take my umbrella. b) If you _____ (study), you will pass the exam. c) If she _____ (call), I will answer the phone. d) If we _____ (go) to the beach, we will swim in the ocean. e) If he _______ (eat) too much, he will feel sick.