SN4 ""

No	Pattern	Freq
1	[prep] [det] [noun] must be	226
2	[prep] [det] [noun sg] must be	149
3	of [det] [noun] must be	101
4	[prep] this [noun] must be	79
5	[prep] [det] [noun pl] must be	69
6	[prep] these [noun] must be	43
7	in [det] [noun] must be	41
8	[prep] that [noun] must be	27
9	to [det] [noun] must be	26
10	for [det] [noun] must be	19
11	[prep] any [noun] must be	18
12	[prep] each [noun] must be	17
13	[prep] such [noun] must be	14
14	[prep] all [noun] must be	13
15	[prep] [det] case must be	8
16	[prep] [det] [n mass] must be	8
17	[prep] [det] package must be	6
18	[prep] [det] package must be	6
19	[prep] [det] sort must be	5
20	[prep] [det] case must be	5
21	by [det] [noun] must be	5
22	[prep] [det] sort must be	5
23	[prep] some [noun] must be	5