Good afternoon, Mrs. Green. I'd like you to meet my girlfriend, Sally.
格林太太,下午好。我想让你认识一下我的女朋友萨里。
It's nice to be sitting here with you.
在这里陪你坐着是非常愉快的。[动词不定式的进行时]
Up to now, historians have assumed that calendars came into being with the advent of agriculture, for then man was faced with a real need to understand something about the seasons.