SN4 ""

No	Pattern	Freq
1	[conj] it must be [verb] that	123
2	[coord] it must be [verb] that	72
3	but it must be [verb] that	52
4	but it must be [verb] that	52
5	[subord] it must be [verb] that	47
6	[noun] it must be [verb] that	37
7	[noun sg] it must be [verb] that	29
8	[adv] it must be [verb] that	26
9	although it must be [verb] that	25
10	[adv] it must be [verb] that	25
11	although it must be [verb] that	25
12	and it must be [verb] that	19
13	and it must be [verb] that	19
14	though it must be [verb] that	11
15	though it must be [verb] that	11
16	[noun pl] it must be [verb] that	7
17	then it must be [verb] that	6
18	then it must be [verb] that	6
19	[verb] it must be [verb] that	6
20	it must [adv] be [verb] that	104
21	it must [adv] be [verb] that	75
22	it must also be [verb] that	46
23	it must also be [verb] that	46
24	it must [not/n't] be [verb] that	29
25	it must not be [verb] that	29
26	it must not be [verb] that	29
27	it must always be [verb] that	7
28	it must always be [verb] that	7
29	it must never be [verb] that	6
30	it must never be [verb] that	6