SN4 ""

No	Pattern	Freq
1	heavily [adj] upon	16
2	heavily [adj] upon	16
3	heavily dependent upon	15
4	heavily dependent upon	15
5	[verb] heavily upon	60
6	rely heavily upon	26
7	[adv] heavily upon	16
8	[adv] heavily upon	16
9	[vb past] heavily upon	16
10	depend heavily upon	10
11	[vb base] heavily upon	10
12	[vb -s] heavily upon	9
13	[v-ing] heavily upon	8
14	relied heavily upon	8
15	[to-vb] heavily upon	7
16	[vb pp] heavily upon	6
17	draw heavily upon	6
18	rely heavily upon	5
19	weigh heavily upon	5
20	heavily upon [art]	32
21	heavily upon the	32
22	heavily upon the	32
23	heavily upon [art]	32
24	heavily upon [adj]	19
25	heavily upon [pron]	13
26	heavily upon [adj]	11
27	heavily upon [noun]	11
28	heavily upon [det]	8
29	heavily upon [pos pn]	7
30	heavily upon [pers pn]	6