SN4 ""

No	Pattern	Freq
1	[conj] [pron] must be [noun]	78
2	[verb] [pron] must be [noun]	46
3	that [pron] must be [noun]	33
4	[that] [pron] must be [noun]	33
5	that [pron] must be [noun]	33
6	[coord] [pron] must be [noun]	31
7	[noun] [pron] must be [noun]	29
8	[adv] [pron] must be [noun]	20
9	[noun sg] [pron] must be [noun]	20
10	think [pron] must be [noun]	19
11	[adv] [pron] must be [noun]	19
12	[vb past] [pron] must be [noun]	18
13	[vb base] [pron] must be [noun]	17
14	but [pron] must be [noun]	16
15	but [pron] must be [noun]	16
16	and [pron] must be [noun]	15
17	and [pron] must be [noun]	15
18	[subord] [pron] must be [noun]	14
19	so [pron] must be [noun]	9
20	so [pron] must be [noun]	9
21	think [pron] must be [noun]	9
22	[adj] [pron] must be [noun]	9
23	[prep] [pron] must be [noun]	7
24	[prep] [pron] must be [noun]	7
25	[adj] [pron] must be [noun]	7
26	thought [pron] must be [noun]	6
27	[noun pl] [pron] must be [noun]	6
28	of [pron] must be [noun]	5
29	because [pron] must be [noun]	5
30	of [pron] must be [noun]	5