SN4 ""

No	Pattern	Freq
1	[noun] [coord] is to [be]	15
2	[noun sg] [coord] is to [be]	14
3	[adj] [coord] is to [be]	8
4	[adj] [coord] is to [be]	5
5	[coord] [noun] is to [be]	63
6	[coord] [pron] is to [be]	56
7	[coord] [noun sg] is to [be]	44
8	[coord] [pers pn] is to [be]	37
9	[coord] it is to [be]	33
10	[coord] it is to [be]	33
11	[coord] [adj] is to [be]	18
12	[coord] [det] is to [be]	16
13	[coord] [Wh det] is to [be]	12
14	[coord] [noun pl] is to [be]	11
15	[coord] what is to [be]	9
16	[coord] what is to [be]	9
17	[coord] this is to [be]	9
18	[coord] this is to [be]	9
19	[coord] [noun prp] is to [be]	8
20	[coord] that is to [be]	5
21	[coord] that is to [be]	5
22	[coord] [adv] is to [be]	5
23	[coord] is [verb] to [be]	177
24	[coord] is [vb pp] to [be]	161
25	[coord] is [adj] to [be]	97
26	[coord] is [adj] to [be]	96
27	[coord] is likely to [be]	56
28	[coord] is likely to [be]	56
29	[coord] is [adv] to [be]	46
30	[coord] is said to [be]	23