SN4 ""

No	Pattern	Freq
1	[pers pn] must be [vb pp] [prep]	488
2	it must be [vb pp] [prep]	288
3	they must be [vb pp] [prep]	123
4	[pers pn] must be [vb pp] in	108
5	[pers pn] must be [vb pp] in	108
6	[pers pn] must be [vb pp] by	79
7	[pers pn] must be [vb pp] by	79
8	[pers pn] must be [vb pp] to	62
9	[pers pn] must be [vb pp] to	62
10	[pers pn] must be [vb pp] with	58
11	[pers pn] must be [vb pp] with	58
12	[pers pn] must be [vb pp] at	33
13	[pers pn] must be [vb pp] at	33
14	[pers pn] must be [vb pp] for	31
15	[pers pn] must be [vb pp] for	31
16	[pers pn] must be borne [prep]	30
17	he must be [vb pp] [prep]	23
18	you must be [vb pp] [prep]	19
19	[pers pn] must be [vb pp] as	18
20	[pers pn] must be [vb pp] as	18
21	[pers pn] must be [vb pp] on	17
22	[pers pn] must be [vb pp] on	17
23	[pers pn] must be seen [prep]	16
24	[pers pn] must be [vb pp] from	16
25	[pers pn] must be [vb pp] from	16
26	she must be [vb pp] [prep]	15
27	[pers pn] must be [vb pp] into	13
28	[pers pn] must be [vb pp] into	13
29	[pers pn] must be based [prep]	12
30	[pers pn] must be accompanied [prep]	11