SN4 ""

No	Pattern	Freq
1	[subord] is [adv] [vb pp]	302
2	as is [adv] [verb]	187
3	than is [adv] [verb]	125
4	[subord] is well [verb]	54
5	[subord] is [adv] know	52
6	[subord] is [adv] known	52
7	[subord] is often [verb]	50
8	[subord] is generally [verb]	37
9	[subord] is sometimes [verb]	31
10	[subord] is [adv] supposed	31
11	[subord] is [adv] suppose	31
12	[subord] is commonly [verb]	30
13	[subord] is usually [verb]	29
14	[subord] is [adv] assume	22
15	[subord] is [adv] assumed	22
16	[subord] is [adv] believe	15
17	[subord] is [adv] believed	15
18	[subord] is [adv] suggest	14
19	[subord] is [adv] [v-ing]	13
20	[subord] is [adv] think	13
21	[subord] is [adv] suggested	13
22	[subord] is [adv] thought	13
23	[subord] is [adv] do	10
24	[subord] is [adv] done	9
25	[subord] is already [verb]	8
26	[subord] is widely [verb]	8
27	[subord] is currently [verb]	7
28	[subord] is [adv] required	7
29	[subord] is [adv] require	7
30	[subord] is [adv] acknowledge	7