SN4 ""

No	Pattern	Freq
1	[verb] back to the [adj]	887
2	go back to the [adj]	281
3	[v-ing] back to the [adj]	205
4	[noun] back to the [adj]	179
5	[vb -s] back to the [adj]	158
6	date back to the [adj]	150
7	[vb past] back to the [adj]	144
8	[noun sg] back to the [adj]	139
9	[vb base] back to the [adj]	119
10	[vb pp] back to the [adj]	113
11	[pron] back to the [adj]	84
12	[pers pn] back to the [adj]	82
13	[to-vb] back to the [adj]	82
14	dating back to the [adj]	72
15	[vb infin] back to the [adj]	66
16	goes back to the [adj]	64
17	going back to the [adj]	58
18	[adv] back to the [adj]	50
19	dates back to the [adj]	49
20	[adv] back to the [adj]	48
21	get back to the [adj]	48
22	come back to the [adj]	44
23	went back to the [adj]	44
24	go back to the [adj]	39
25	turn back to the [adj]	35
26	go back to the [adj]	33
27	[noun pl] back to the [adj]	30
28	to go back to the [adj]	30
29	way back to the [adj]	29
30	way back to the [adj]	29