Crucigrama verbsVersión en línea complete the blanks with the simple past, past participle and -ing form of the verbs por oscar celis 1 I'm ------------ about dinosaurs fossils 2 i´ve ------- this backpack all day and my back hurts 3 the dog ------ five kilometers in one minute 4 she ------ the door and screamed loudly 5 she was the one that ----- this book 6 I used to ---- with my friend all day with the cell phone 7 have you ever ----- twelve hours in line? 8 he has ---- that exercise three times and didn´t understand that topic 9 I have ---- waiting for you and I feel tired 10 you should --- to eat this chocolate 5 10 2 4 3 8 1 6 9 7