GRAMMAR
PRESENT PERFECT SIMPLE
exercise 1, exercise 2, exercise 3, exercise 4, exercise 5, exercise 6, exercise 7, exercise 8, exercise 9 , exercise 10, exercise 11, exercise 12, exercise 13, exercise 14, exercise 15, exercise 16, exercise 17, exercise 18, exercise 19, exercise 20
PRESENT PERFECT WITH JUST, ALREADY, NEVER, EVER, ALWAYS, YET, FOR AND SINCE.
exercise 1, exercise 2, exercise 3, exercise 4, exercise 5, exercise 6, exercise 7, exercise 8, exercise 9, exercise 10
