SN4 ""

No	Pattern	Freq
1	[pron] must be for	38
2	[pers pn] must be for	35
3	it must be for	30
4	it must be for	30
5	[noun] must be for	30
6	[noun sg] must be for	23
7	[noun pl] must be for	7
8	must have be for	14
9	must have be for	14
10	must [vb infin] be for	14
11	must [verb] be for	14
12	must [adv] be for	5
13	must [adv] be for	5
14	must be [verb] for	340
15	must be [vb pp] for	322
16	must be [adj] for	159
17	must be [adj] for	154
18	must be made for	36
19	must be make for	36
20	must be [noun] for	28
21	must be [noun sg] for	22
22	must be pay for	21
23	must be paid for	21
24	must be allowed for	19
25	must be allow for	19
26	must be [v-ing] for	17
27	must be available for	16
28	must be available for	16
29	must be prepared for	13
30	must be prepare for	13