Are you free on Friday evening because we were wondering if you would like to come round for dinner ?   Oh , thank you very much . I ’ d like to come , but I ’ m afraid I ’ m busy that evening .   That ’ s a pity ! Then when would it be a good time for you ?   Well , I ’ m not too sure , actually . I ’ Ve got a lot going on the next couple of weeks . Why don ’ t I call you later ? 