Present simple (I do) and present continuous (I am doing) (1)
?' Present perfect and past simple (2) and (3) ? Units 4, 5 Past continuous and past simple? UNIT 6. EXERCISES. 3.1 agree. 3.2. Choose a verb with either the ...
?' Present perfect and past simple (2) and (3) ? Units 4, 5 Past continuous and past simple? UNIT 6. EXERCISES. 3.1 agree. 3.2. Choose a verb with either the ...