SN4 ""

No	Pattern	Freq
1	once upon	166
2	heavily upon	79
3	only upon	48
4	immediately upon	41
5	solely upon	38
6	entirely upon	34
7	more upon	32
8	directly upon	32
9	largely upon	29
10	exclusively upon	21
11	mainly upon	19
12	also upon	19
13	almost upon	19
14	primarily upon	18
15	even upon	13
16	hard upon	12
17	instead upon	11
18	now upon	11
19	less upon	11
20	still upon	9
21	specifically upon	9
22	both upon	9
23	either upon	9
24	partly upon	9
25	firmly upon	8
26	ultimately upon	8
27	particularly upon	8
28	closely upon	8
29	again upon	8
30	hence upon	6