SN4 ""

No	Pattern	Freq
1	[v-ing] at [noun prp]	1999
2	[v-ing] at [noun sg]	1515
3	looking at [noun]	985
4	[v-ing] at [noun pl]	768
5	[v-ing] at home	353
6	[v-ing] at home	351
7	[v-ing] at [n mass]	286
8	working at [noun]	185
9	living at [noun]	152
10	arriving at [noun]	141
11	staying at [noun]	125
12	starting at [noun]	107
13	playing at [noun]	106
14	sitting at [noun]	95
15	meeting at [noun]	93
16	staring at [noun]	90
17	[v-ing] at night	89
18	[v-ing] at night	86
19	[v-ing] at way	69
20	[v-ing] at ways	69
21	running at [noun]	63
22	studying at [noun]	53
23	[v-ing] at thing	51
24	[v-ing] at things	51
25	waiting at [noun]	49
26	glancing at [noun]	46
27	[v-ing] at school	41
28	racing at [noun]	39
29	[v-ing] at speed	39
30	landing at [noun]	38