SN4 ""

No	Pattern	Freq
1	it is [adv] [adv] [vb pp] that	144
2	it is [adv] [adv] [vb pp] that	112
3	it is now [adv] [vb pp] that	63
4	it is now [adv] [vb pp] that	63
5	it is [adv] generally [vb pp] that	41
6	it is [adv] [adv] accepted that	36
7	it is not [adv] [vb pp] that	32
8	it is not [adv] [vb pp] that	32
9	it is [not/n't] [adv] [vb pp] that	32
10	it is [adv] widely [vb pp] that	27
11	it is [adv] well [vb pp] that	19
12	it is [adv] [adv] known that	17
13	it is also [adv] [vb pp] that	14
14	it is also [adv] [vb pp] that	14
15	it is [adv] [adv] established that	9
16	it is [adv] [adv] recognized that	8
17	it is [adv] always [vb pp] that	8
18	it is [adv] [adv] agreed that	8
19	it is [adv] commonly [vb pp] that	6
20	it is [adv] [adv] held that	6
21	it is [adv] often [vb pp] that	5
22	it is [adv] [adv] assumed that	5
23	it is [adv] [adv] realised that	5
24	it is so [adv] [vb pp] that	5
25	it is so [adv] [vb pp] that	5
26	it is [adv] [adv] realized that	5
27	it is still [adv] [vb pp] that	5
28	it is still [adv] [vb pp] that	5