SN4 ""

No	Pattern	Freq
1	it be [adv] [vb pp] that [noun pl]	111
2	it is [adv] [vb pp] that [noun pl]	80
3	it was [adv] [vb pp] that [noun pl]	27
4	it be well [vb pp] that [noun pl]	26
5	it be [adv] known that [noun pl]	19
6	it be also [vb pp] that [noun pl]	19
7	it be often [vb pp] that [noun pl]	17
8	it be [adv] said that [noun pl]	13
9	it be generally [vb pp] that [noun pl]	11
10	it be [adv] assumed that [noun pl]	9
11	it be [adv] [vb pp] that women	8
12	it be sometimes [vb pp] that [noun pl]	7
13	it be [adv] accepted that [noun pl]	7
14	it be [adv] suggested that [noun pl]	5
15	it be widely [vb pp] that [noun pl]	5
16	it be [adv] argued that [noun pl]	5