SN4 ""

No	Pattern	Freq
1	[verb] back on the [noun]	384
2	[verb] back on the [noun sg]	290
3	[vb past] back on the [noun]	122
4	[v-ing] back on the [noun]	81
5	[verb] back on the [noun pl]	66
6	[to-vb] back on the [noun]	55
7	look back on the [noun]	44
8	go back on the [noun]	40
9	lie back on the [noun]	38
10	[vb base] back on the [noun]	37
11	[vb pp] back on the [noun]	37
12	get back on the [noun]	36
13	fall back on the [noun]	35
14	[vb infin] back on the [noun]	31
15	lay back on the [noun]	27
16	[verb] back on the bed	25
17	[verb] back on the bed	25
18	come back on the [noun]	24
19	[verb] back on the [noun prp]	22
20	cut back on the [noun]	21
21	[vb -s] back on the [noun]	21
22	looking back on the [noun]	19
23	sit back on the [noun]	18
24	[verb] back on the pillow	17
25	fell back on the [noun]	14
26	to get back on the [noun]	12
27	put back on the [noun]	12
28	sat back on the [noun]	11
29	to go back on the [noun]	11
30	came back on the [noun]	10