SN4 ""

No	Pattern	Freq
1	[pron] must never be	30
2	[noun] must never be	28
3	[pers pn] must never be	27
4	[noun sg] must never be	17
5	it must never be	12
6	it must never be	12
7	[noun pl] must never be	10
8	he must never be	8
9	he must never be	7
10	[conj] must never be	6
11	they must never be	5
12	they must never be	5
13	must never be [verb]	57
14	must never be [vb pp]	57
15	must never be allow	11
16	must never be allowed	11
17	must never be [adj]	8
18	must never be forget	7
19	must never be forgotten	7
20	must never be [adj]	6