Ex 1 - present simple/progressive
Ex 2 - present simple/progressive
Ex 3- pr simple/ progressive
Ex 4 - past simple/progressive
Ex 5 - present perf. cont.
Ex 6 - past simple/ present perfect
Ex 7 - past perfect/ past perf cont.
Ex 8 - future simple, future cont and future perfect
Ex 9 - mixed tenses
Ex 10 - mixed tenses