SN4 ""

No	Pattern	Freq
1	[noun] is [verb] [adv] that	115
2	[noun sg] is [verb] [adv] that	105
3	[pron] is [verb] [adv] that	94
4	[pers pn] is [verb] [adv] that	74
5	it is [verb] [adv] that	73
6	it is [verb] [adv] that	72
7	[Wh det] is [verb] [adv] that	13
8	which is [verb] [adv] that	9
9	which is [verb] [adv] that	9
10	[adj] is [verb] [adv] that	7
11	[det] is [verb] [adv] that	6
12	[noun pl] is [verb] [adv] that	5
13	this is [verb] [adv] that	5
14	this is [verb] [adv] that	5
15	is [adj] [verb] [adv] that	83
16	is [adj] [verb] [adv] that	80
17	is [adv] [verb] [adv] that	67
18	is [adv] [verb] [adv] that	63
19	is worth [verb] [adv] that	49
20	is worth [verb] [adv] that	49
21	is [prep] [verb] [adv] that	49
22	is [prep] [verb] [adv] that	49
23	is important [verb] [adv] that	21
24	is important [verb] [adv] that	21
25	is sufficient [verb] [adv] that	8
26	is often [verb] [adv] that	8
27	is quick [verb] [adv] that	8
28	is sufficient [verb] [adv] that	8
29	is quick [verb] [adv] that	8
30	is often [verb] [adv] that	8