SN4 ""

No	Pattern	Freq
1	[noun] is to [noun sg]	137
2	[noun sg] is to [noun sg]	115
3	[pron] is to [noun sg]	36
4	[pers pn] is to [noun sg]	21
5	it is to [noun sg]	18
6	it is to [noun sg]	17
7	[adj] is to [noun sg]	15
8	[noun prp] is to [noun sg]	11
9	this is to [noun sg]	9
10	this is to [noun sg]	9
11	[noun pl] is to [noun sg]	9
12	[det] is to [noun sg]	9
13	[verb] is to [noun sg]	8
14	there is to [noun sg]	7
15	[ex0] is to [noun sg]	7
16	there is to [noun sg]	7
17	[adv] is to [noun sg]	6
18	[adv] is to [noun sg]	5
19	is [adj] to [noun sg]	950
20	is [adj] to [noun sg]	933
21	is [verb] to [noun sg]	709
22	is [vb pp] to [noun sg]	564
23	is open to [noun sg]	140
24	is open to [noun sg]	140
25	is [adv] to [noun sg]	120
26	is [v-ing] to [noun sg]	112
27	is due to [noun sg]	82
28	is due to [noun sg]	82
29	is subject to [noun sg]	77
30	is subject to [noun sg]	77