SN4 ""

No	Pattern	Freq
1	[noun sg] must be [verb] [prep]	2136
2	[noun sg] must be [vb pp] [prep]	2100
3	[noun sg] must be [adj] [prep]	373
4	[noun sg] must be [adj] [prep]	321
5	[noun sg] must be make [prep]	165
6	[noun sg] must be made [prep]	165
7	[noun sg] must be given [prep]	89
8	[noun sg] must be give [prep]	89
9	[noun sg] must be take [prep]	87
10	[noun sg] must be taken [prep]	87
11	[noun sg] must be see [prep]	59
12	[noun sg] must be seen [prep]	59
13	[noun sg] must be pay [prep]	39
14	[noun sg] must be paid [prep]	39
15	[noun sg] must be capable [prep]	33
16	[noun sg] must be capable [prep]	33
17	[noun sg] must be accompanied [prep]	31
18	[noun sg] must be accompany [prep]	31
19	[noun sg] must be based [prep]	31
20	[noun sg] must be base [prep]	31
21	[noun sg] must be [num] [prep]	30
22	[noun sg] must be considered [prep]	29
23	[noun sg] must be consider [prep]	29
24	[noun sg] must be used [prep]	28
25	[noun sg] must be use [prep]	28
26	[noun sg] must be [v-ing] [prep]	28
27	[noun sg] must be one [prep]	27
28	[noun sg] must be one [prep]	27
29	[noun sg] must be [adv] [prep]	26
30	[noun sg] must be find [prep]	25