Here is an English lesson on some of the most common phrasal verbs which contain the preposition AT. Answer the following questions:
Are you prone to pecking at your food, or wolfing it down?
Has anyone ever come at you with a weapon? Did you stand up for yourself?
What sort of things chip away at your finances?
When was the last time your boss/parents had a go at you?
What does your partner/mum/brother keep on at you about?
Did you used to throw stuff at your teacher, in class?
Do you know anyone who has a tendency to talk at others?
There are more lessons on my youtube channel, and on my website.
https://www.skype-lessons.com/...
https://www.youtube.com/watch?v=FnFy8ELAc8E