SN4 ""

No	Pattern	Freq
1	[pers pn] must be [vb pp]	1929
2	it must be [verb]	1448
3	[pers pn] must be [v-ing]	503
4	they must be [verb]	349
5	he must be [verb]	199
6	you must be [verb]	188
7	[pers pn] must be remember	176
8	[pers pn] must be remembered	175
9	[pers pn] must be say	174
10	[pers pn] must be said	170
11	she must be [verb]	105
12	i must be [verb]	72
13	[pers pn] must be stressed	69
14	[pers pn] must be stress	69
15	[pers pn] must be joke	65
16	[pers pn] must be do	65
17	[pers pn] must be joking	65
18	we must be [verb]	63
19	[pers pn] must be admit	62
20	[pers pn] must be admitted	62
21	[pers pn] must be get	51
22	[pers pn] must be go	47
23	[pers pn] must be getting	46
24	[pers pn] must be going	45
25	[pers pn] must be noted	45
26	[pers pn] must be note	45
27	[pers pn] must be make	43
28	[pers pn] must be bear	40
29	[pers pn] must be see	39
30	[pers pn] must be seen	38