SN4 ""

No	Pattern	Freq
1	[pron] [be] for [det]	374
2	[pers pn] [be] for [det]	339
3	it [be] for [det]	308
4	it [be] for [det]	308
5	[noun] [be] for [det]	198
6	[noun sg] [be] for [det]	136
7	[verb] [be] for [det]	106
8	have [be] for [det]	94
9	[modal v] [be] for [det]	65
10	[vb mod] [be] for [det]	65
11	[adv] [be] for [det]	45
12	[adj] [be] for [det]	43
13	[vb -s] [be] for [det]	40
14	[noun pl] [be] for [det]	39
15	has [be] for [det]	38
16	[det] [be] for [det]	37
17	that [be] for [det]	27
18	that [be] for [det]	27
19	[vb base] [be] for [det]	26
20	[not/n't] [be] for [det]	25
21	[vb past] [be] for [det]	25
22	not [be] for [det]	25
23	had [be] for [det]	24
24	have [be] for [det]	22
25	[adv] [be] for [det]	20
26	would [be] for [det]	20
27	would [be] for [det]	20
28	there [be] for [det]	17
29	[ex0] [be] for [det]	17
30	there [be] for [det]	17