SN4 ""

No	Pattern	Freq
1	[noun] is something [that]	136
2	[noun sg] is something [that]	123
3	[adj] is something [that]	104
4	[det] is something [that]	101
5	[pron] is something [that]	91
6	this is something [that]	62
7	this is something [that]	62
8	[pers pn] is something [that]	59
9	it is something [that]	58
10	it is something [that]	58
11	that is something [that]	39
12	that is something [that]	39
13	which is something [that]	19
14	[Wh det] is something [that]	19
15	which is something [that]	19
16	[ex0] is something [that]	12
17	there is something [that]	12
18	there is something [that]	12
19	[adv] is something [that]	10
20	[adv] is something [that]	10
21	[noun pl] is something [that]	9
22	[verb] is something [that]	8
23	is [adv] something [that]	83
24	is not something [that]	60
25	is [not/n't] something [that]	60
26	is not something [that]	54
27	is [adv] something [that]	23
28	is [pron] something [that]	12
29	is it something [that]	11
30	is [pers pn] something [that]	11