6.I am waiting for you ...7.What you are doing? I am reading.I've been reading for already two hours.I've already read sixty pages.8.This man is a writer.He's written books.He's been writing books since...He's already written eight books.9.What have you been doing here since morning?10.She is always helping her mother...Today she's been helping her mother since morning.They've already washed the floor and dusted ...Now they are cooking dinner together.11.Where my father has been working...He's has been working here for...12.Did you found your note-book? No.I am still looking for it.I've already looked for it ....but yet couldn't find it.13 You've been playing ....14. You've been sleeping...15.I am waiting for a letter ...but didn't received it yet. as I couldn't hear it.16.I've just received ....but i didn't received yet from my parents.17 the weather will be fine today.The sun has been shining since....18 I am winding up my watch...19.what you are doing now? I am waiting for you ....20. Where is your gloves? I've putted them into my pocket