SN4 ""

No	Pattern	Freq
1	it is [adv] [vb pp] [conj]	1354
2	[pers pn] is [adv] [vb pp] that	1171
3	[pers pn] is [adv] [vb pp] that	1171
4	[pers pn] is [adv] [vb pp] [that]	1171
5	[pers pn] is well [vb pp] [conj]	179
6	[pers pn] is generally [vb pp] [conj]	168
7	[pers pn] is often [vb pp] [conj]	166
8	[pers pn] is [adv] known [conj]	150
9	[pers pn] is [adv] [vb pp] [coord]	139
10	[pers pn] is also [vb pp] [conj]	118
11	[pers pn] is [adv] [vb pp] and	117
12	[pers pn] is [adv] [vb pp] and	117
13	[pers pn] is now [vb pp] [conj]	109
14	[pers pn] is [adv] assumed [conj]	109
15	[pers pn] is [adv] said [conj]	99
16	[pers pn] is sometimes [vb pp] [conj]	97
17	[pers pn] is widely [vb pp] [conj]	93
18	[pers pn] is [adv] accepted [conj]	93
19	[pers pn] is [adv] [vb pp] [subord]	87
20	[pers pn] is [adv] argued [conj]	73
21	[pers pn] is [adv] believed [conj]	57
22	[pers pn] is [adv] suggested [conj]	53
23	[pers pn] is [adv] [vb pp] as	51
24	[pers pn] is [adv] [vb pp] as	51
25	[pers pn] is [adv] recognised [conj]	49
26	[pers pn] is [adv] agreed [conj]	42
27	[pers pn] is [adv] established [conj]	39
28	[pers pn] is [adv] thought [conj]	36
29	[pers pn] is commonly [vb pp] [conj]	31
30	[pers pn] is [adv] recommended [conj]	30