Exercise on Present Perfect Simple Form questions in Present Perfect Simple. you / a question / ask→ you / with me / come→ my computer / crash→ they / their pens / count→ The children / about the joke / laugh→ we / the bill / pay→ they / their calculators / use→ it / too much / weigh→ we / the game / lose→ the children / on the floor / sleep→ Back to pool of exercises. ►