SN4 ""

No	Pattern	Freq
1	[adv] upon	1153
2	once upon	166
3	heavily upon	79
4	only upon	48
5	immediately upon	41
6	solely upon	38
7	entirely upon	34
8	directly upon	32
9	more upon	32
10	largely upon	29
11	exclusively upon	21
12	mainly upon	19
13	also upon	19
14	almost upon	19
15	primarily upon	18
16	even upon	13
17	hard upon	12
18	now upon	11
19	less upon	11
20	instead upon	11
21	either upon	9
22	partly upon	9
23	still upon	9
24	both upon	9
25	specifically upon	9
26	again upon	8
27	closely upon	8
28	firmly upon	8
29	ultimately upon	8
30	particularly upon	8