SN4 ""

No	Pattern	Freq
1	[pron] is [adv] accepted	146
2	[pers pn] is [adv] accepted	131
3	it is [adv] accepted	129
4	it is [adv] accepted	129
5	[noun] is [adv] accepted	45
6	[noun sg] is [adv] accepted	37
7	[Wh det] is [adv] accepted	13
8	which is [adv] accepted	10
9	which is [adv] accepted	10
10	[conj] is [adv] accepted	10
11	[noun pl] is [adv] accepted	6
12	is [adv] [adv] accepted	81
13	is [adv] [adv] accepted	70
14	is now [adv] accepted	48
15	is now [adv] accepted	48
16	is not [adv] accepted	11
17	is not [adv] accepted	11
18	is [not/n't] [adv] accepted	11
19	is [art] [adv] accepted	6
20	is [art] [adv] accepted	6
21	is [adv] [adv] accepted	70
22	is [adv] [adv] accepted	70
23	is [adv] generally accepted	29
24	is [adv] generally accepted	29
25	is [adv] widely accepted	26
26	is [adv] widely accepted	26
27	is [adv] accepted [conj]	116
28	is [adv] accepted that	89
29	is [adv] accepted [that]	89
30	is [adv] accepted that	89