SN4 ""

No	Pattern	Freq
1	must be [vb pp]	11027
2	must be made	533
3	must be taken	428
4	must be given	262
5	must be done	221
6	must be considered	207
7	must be seen	200
8	must be said	195
9	must be remembered	182
10	must be used	158
11	must be kept	148
12	must be paid	117
13	must be allowed	109
14	must be set	96
15	must be found	91
16	must be added	77
17	must be treated	77
18	must be regarded	77
19	must be based	73
20	must be stressed	72
21	must be provided	71
22	must be held	70
23	must be sent	69
24	must be accompanied	67
25	must be admitted	65
26	must be understood	60
27	must be borne	59
28	must be maintained	58
29	must be carried	57
30	must be noted	56