SN4 ""

No	Pattern	Freq
1	must be [verb] that [det]	88
2	must [be] [verb] that [det]	88
3	must be [verb] that [det]	88
4	must [be] [verb] that [det]	88
5	must [be] [vb pp] that [det]	87
6	must [be] [verb] that this	35
7	must [be] remembered that [det]	23
8	must [be] remember that [det]	23
9	must [be] [verb] that these	20
10	must [be] stress that [det]	11
11	must [be] stressed that [det]	11
12	must [be] said that [det]	10
13	must [be] say that [det]	10
14	must [be] [verb] that many	8
15	must [be] emphasised that [det]	5
16	must [be] [verb] that such	5
17	must [be] note that [det]	5
18	must [be] noted that [det]	5
19	must [be] admit that [det]	5
20	must [be] emphasise that [det]	5
21	must [be] admitted that [det]	5