A) liza, what on saturday night? - liza, what are you going to do on saturday night? - i . - well, it' s rather boring. my friends and i let' s go with us! - i' m sorry. i can' t. english grammar. my mother clothes our flat. i her as well. in addition to it. the weather is bad, tomorrow. b) to do, to treat. - next day? - his teeth. - is he afraid of it? - yes, he is. c) to take part to do, to train. - in competition tomorrow? - yes, they are. but it. - oh, why is it so? - he is not ready yet. he and his trainer.