SN4 ""

No	Pattern	Freq
1	[noun] is [vb pp] to be [art]	401
2	[noun sg] is [vb pp] to be [art]	304
3	[pron] is [vb pp] to be [art]	242
4	[Wh det] is [vb pp] to be [art]	95
5	[pers pn] is [vb pp] to be [art]	88
6	[adj] is [vb pp] to be [art]	82
7	it is [vb pp] to be [art]	65
8	it is [vb pp] to be [art]	65
9	[det] is [vb pp] to be [art]	64
10	what is [vb pp] to be [art]	62
11	what is [vb pp] to be [art]	62
12	this is [vb pp] to be [art]	53
13	this is [vb pp] to be [art]	53
14	[noun prp] is [vb pp] to be [art]	47
15	[ex0] is [vb pp] to be [art]	45
16	there is [vb pp] to be [art]	45
17	there is [vb pp] to be [art]	45
18	[conj] is [vb pp] to be [art]	38
19	[noun pl] is [vb pp] to be [art]	34
20	[coord] is [vb pp] to be [art]	33
21	which is [vb pp] to be [art]	33
22	which is [vb pp] to be [art]	33
23	and is [vb pp] to be [art]	29
24	and is [vb pp] to be [art]	29
25	he is [vb pp] to be [art]	15
26	he is [vb pp] to be [art]	15
27	who is [vb pp] to be [art]	12
28	who is [vb pp] to be [art]	12
29	[Wh pn] is [vb pp] to be [art]	12
30	[letter] is [vb pp] to be [art]	9