SN4 ""

No	Pattern	Freq
1	[pron] is [det] [noun] and	76
2	[noun] is [det] [noun] and	65
3	[noun sg] is [det] [noun] and	55
4	[ex0] is [det] [noun] and	43
5	there is [det] [noun] and	43
6	there is [det] [noun] and	43
7	[pers pn] is [det] [noun] and	27
8	it is [det] [noun] and	26
9	it is [det] [noun] and	26
10	[adj] is [det] [noun] and	13
11	[det] is [det] [noun] and	10
12	[verb] is [det] [noun] and	7
13	this is [det] [noun] and	7
14	this is [det] [noun] and	7
15	[Wh det] is [det] [noun] and	6
16	[adv] is [det] [noun] and	5
17	[conj] is [det] [noun] and	5
18	is [verb] [det] [noun] and	63
19	is [adv] [det] [noun] and	60
20	is [prep] [det] [noun] and	50
21	is [prep] [det] [noun] and	50
22	is [adv] [det] [noun] and	42
23	is [to-vb] [det] [noun] and	34
24	is [pron] [det] [noun] and	24
25	is [adj] [det] [noun] and	20
26	is [art] [det] [noun] and	18
27	is [art] [det] [noun] and	18
28	is [vb pp] [det] [noun] and	17
29	is [pos pn] [det] [noun] and	17
30	is [not/n't] [det] [noun] and	15