1. at [preposition] 1 used to indicate the place or event where something happens: I’ll drop you at the station. 2 used to indicate the time something happens: the trains leaves at six. Grammar patterns 1. at + NP: At one end of the beach there is a restaurant. Dad retired at 65. (to talk about places as points in space, points on a journey, addresses, or places where you do certain activities.) 2. Verb + at + NP. Look at the moon! (to talk about directing your attention, voice or gesture to s/o or s/t.) 3. Adjective + at + NP. Isabel is good at maths. (to talk about doing things well or badly)

2. at Collocations Common phrases: at the beginning, end, top, bottom. at home, work, school, university, etc. at Lorenzo’s (place), Pat’s, etc. at the doctor’s, the hairdresser’s, etc at the bank, the station, the post office, etc at a party, a meeting, etc. at breakfast, lunch, dinner, etc. time expression. at dawn, sunrise, sunset, noon, night, midnight, the weekend. verbs: look at, stare, smile, laugh, get, aime at.

3. at Set phrases at (long) last = eventually at once = immediately, or, at the same time. at least = to say that something is the minimun. at the moment/the time being/present = now. at its/his/her etc. best. e.g. I’m sorry. I’m not at my best before breakfast. while you are at it =while you are doing s/t.