SN4 ""

No	Pattern	Freq
1	[pron] [is] and	391
2	[noun] [is] and	339
3	[pers pn] [is] and	316
4	[noun sg] [is] and	290
5	it [is] and	216
6	it [is] and	216
7	[adj] [is] and	67
8	he [is] and	65
9	he [is] and	65
10	[det] [is] and	61
11	[Wh det] [is] and	42
12	that [is] and	39
13	that [is] and	39
14	what [is] and	33
15	what [is] and	33
16	[noun prp] [is] and	30
17	she [is] and	29
18	she [is] and	29
19	[adv] [is] and	25
20	[adv] [is] and	22
21	there [is] and	19
22	[ex0] [is] and	19
23	there [is] and	19
24	this [is] and	15
25	this [is] and	15
26	[verb] [is] and	13
27	the [is] and	12
28	[art] [is] and	12
29	[art] [is] and	12
30	the [is] and	12