SN4 ""

No	Pattern	Freq
1	is [adv] [adv] [verb] that	176
2	is [adv] [adv] [vb pp] that	147
3	is now [adv] [verb] that	65
4	is so [adv] [verb] that	42
5	is [adv] [adv] accept that	35
6	is [adv] [adv] accepted that	35
7	is [adv] generally [verb] that	33
8	is [adv] widely [verb] that	26
9	is [adv] well [verb] that	25
10	is also [adv] [verb] that	16
11	is [adv] [adv] known that	12
12	is [adv] [adv] know that	12
13	is [adv] [adv] [vb base] that	11
14	is [adv] [adv] [v-ing] that	10
15	is [adv] [adv] established that	9
16	is [adv] [adv] establish that	9
17	is [adv] [adv] agreed that	8
18	is [adv] [adv] [to-vb] that	8
19	is [adv] [adv] agree that	8
20	is [adv] [adv] recognized that	7
21	is [adv] [adv] recognize that	7
22	is [adv] [adv] held that	6
23	is [adv] [adv] hold that	6
24	is [adv] [adv] clear that	6
25	is [adv] [adv] clear that	6
26	is [adv] now [verb] that	5
27	is still [adv] [verb] that	5
28	is therefore [adv] [verb] that	5