SN4 ""

No	Pattern	Freq
1	[pers pn] is [adv] [vb pp] [conj]	1397
2	it is [adv] [vb pp] [conj]	1354
3	it is [adv] [vb pp] [conj]	1354
4	[pron] is [adv] [vb pp] that	1183
5	[pron] is [adv] [vb pp] that	1183
6	[pron] is [adv] [vb pp] [that]	1183
7	[pron] is [adv] [vb pp] [coord]	239
8	[pron] is [adv] [vb pp] and	194
9	[pron] is [adv] [vb pp] and	194
10	[pron] is well [vb pp] [conj]	182
11	[pron] is often [vb pp] [conj]	178
12	[pron] is generally [vb pp] [conj]	173
13	[pron] is [adv] [vb pp] [subord]	157
14	[pron] is [adv] known [conj]	150
15	[Wh det] is [adv] [vb pp] [conj]	138
16	[pron] is also [vb pp] [conj]	120
17	[pron] is now [vb pp] [conj]	113
18	which is [adv] [vb pp] [conj]	111
19	which is [adv] [vb pp] [conj]	111
20	[pron] is [adv] assumed [conj]	110
21	[pron] is [adv] [vb pp] as	102
22	[pron] is [adv] [vb pp] as	102
23	[pron] is sometimes [vb pp] [conj]	101
24	[pron] is [adv] accepted [conj]	101
25	[pron] is [adv] said [conj]	100
26	[pron] is widely [vb pp] [conj]	97
27	[pron] is [adv] argued [conj]	73
28	[pron] is [adv] believed [conj]	57
29	[pron] is [adv] suggested [conj]	53
30	[pron] is [adv] recognised [conj]	49