SN4 ""

No	Pattern	Freq
1	[adj] [is] because [prep]	131
2	[pron] [is] because [prep]	125
3	[pers pn] [is] because [prep]	124
4	[det] [is] because [prep]	123
5	it [is] because [prep]	121
6	it [is] because [prep]	121
7	this [is] because [prep]	89
8	this [is] because [prep]	89
9	[noun] [is] because [prep]	38
10	that [is] because [prep]	33
11	that [is] because [prep]	33
12	[noun sg] [is] because [prep]	23
13	[verb] [is] because [prep]	10
14	[noun pl] [is] because [prep]	9
15	[adj] [is] because [prep]	8
16	[vb pp] [is] because [prep]	5
17	[is] [adv] because [prep]	160
18	[is] [adj] because [prep]	154
19	[is] [adv] because [prep]	135
20	[is] [adj] because [prep]	123
21	[is] [verb] because [prep]	75
22	[is] [vb pp] because [prep]	58
23	[is] partly because [prep]	34
24	[is] partly because [prep]	34
25	[is] [det] because [prep]	25
26	[is] [not/n't] because [prep]	21
27	[is] not because [prep]	21
28	[is] not because [prep]	20
29	[is] [v-ing] because [prep]	16
30	[is] largely because [prep]	14