SN4 ""

No	Pattern	Freq
1	[subord] [pers pn] is [vb pp]	3732
2	[subord] it is [vb pp]	3268
3	[subord] it is [vb pp]	3265
4	if [pron] is [vb pp]	1031
5	when [pron] is [vb pp]	698
6	as [pron] is [vb pp]	573
7	[subord] he is [vb pp]	370
8	[subord] he is [vb pp]	370
9	because [pron] is [vb pp]	275
10	where [pron] is [vb pp]	230
11	[subord] [indef pn] is [vb pp]	227
12	before [pron] is [vb pp]	183
13	unless [pron] is [vb pp]	156
14	[subord] [pron] is known	128
15	until [pron] is [vb pp]	123
16	although [pron] is [vb pp]	119
17	whether [pron] is [vb pp]	107
18	[subord] [pron] is used	103
19	once [pron] is [vb pp]	92
20	[subord] she is [vb pp]	87
21	[subord] she is [vb pp]	87
22	though [pron] is [vb pp]	83
23	since [pron] is [vb pp]	82
24	[subord] [pron] is called	79
25	[subord] [pron] is said	75
26	[subord] [pron] is done	73
27	[subord] [pron] is made	71
28	so [pron] is [vb pp]	67
29	[subord] [pron] is accepted	66
30	[subord] one is [vb pp]	59