SN4 ""

No	Pattern	Freq
1	[noun] must be [vb pp] to the	207
2	[noun sg] must be [vb pp] to the	156
3	[noun pl] must be [vb pp] to the	49
4	[pron] must be [vb pp] to the	41
5	[pers pn] must be [vb pp] to the	25
6	it must be [vb pp] to the	16
7	it must be [vb pp] to the	16
8	attention must be [vb pp] to the	14
9	attention must be [vb pp] to the	14
10	[Wh det] must be [vb pp] to the	12
11	which must be [vb pp] to the	10
12	which must be [vb pp] to the	10
13	regard must be [vb pp] to the	9
14	[adj] must be [vb pp] to the	9
15	regard must be [vb pp] to the	9
16	[conj] must be [vb pp] to the	9
17	[det] must be [vb pp] to the	7
18	[coord] must be [vb pp] to the	7
19	consideration must be [vb pp] to the	6
20	consideration must be [vb pp] to the	6
21	and must be [vb pp] to the	6
22	and must be [vb pp] to the	6
23	they must be [vb pp] to the	6
24	notice must be [vb pp] to the	5
25	they must be [vb pp] to the	5
26	notice must be [vb pp] to the	5
27	must [adv] be [vb pp] to the	48
28	must [adv] be [vb pp] to the	37
29	must also be [vb pp] to the	13
30	must also be [vb pp] to the	13