Exercise 01 past simple versus past continuous
Exercise 02 past simple versus past continuous
Exercise 03 past simple versus past continuous
Exercise 04 past simple versus past continuous
Exercise 05 past simple versus past continuous
Exercise 06 past simple versus past continuous
Exercise 07 past simple versus past continuous
Exercise 08 past simple versus past continuous
Exercise 09 past simple versus past continuous
Exercise 10 past simple versus past continuous
Exercise 01 past perfect vs. simple past tense
Exercise 02 past perfect vs. simple past tense
Exercise 03 past perfect vs. simple past tense
Exercise 04 past perfect vs. simple past tense
Exercise 05 past perfect vs. simple past tense
Exercise 06 past perfect vs. simple past tense
Exercise 07 past perfect vs. simple past tense
Exercise 08 past perfect vs. simple past tense