SN4 ""

No	Pattern	Freq
1	back at the [adj] [noun]	108
2	back at the [adj] [noun]	92
3	back at the [noun] [noun]	88
4	back at the [noun sg] [noun]	60
5	back at the [noun prp] [noun]	20
6	back at the other [noun]	7
7	back at the [num ord] [noun]	7
8	back at the other [noun]	7
9	back at the old [noun]	6
10	back at the old [noun]	5
11	[verb] back at the [noun]	303
12	[vb past] back at the [noun]	144
13	look back at the [noun]	131
14	looked back at the [noun]	69
15	[noun] back at the [noun]	58
16	[be] back at the [noun]	58
17	be back at the [noun]	58
18	[v-ing] back at the [noun]	47
19	[noun sg] back at the [noun]	39
20	arrive back at the [noun]	39
21	[adv] back at the [noun]	37
22	[was/were] back at the [noun]	36
23	[pron] back at the [noun]	34
24	[to-vb] back at the [noun]	32
25	[adv] back at the [noun]	31
26	[vb base] back at the [noun]	29
27	[pers pn] back at the [noun]	28
28	looking back at the [noun]	27
29	was back at the [noun]	26
30	[vb pp] back at the [noun]	24