SN4 ""

No	Pattern	Freq
1	[conj] there must be [prep]	9
2	[noun] there must be [prep]	6
3	[coord] there must be [prep]	5
4	there must [vb infin] be [prep]	14
5	there must [verb] be [prep]	14
6	there must have be [prep]	14
7	there must have be [prep]	13
8	there must be [noun] [prep]	80
9	there must be [pron] [prep]	53
10	there must be [indef pn] [prep]	53
11	there must be [noun sg] [prep]	47
12	there must be [noun pl] [prep]	33
13	there must be something [prep]	32
14	there must be something [prep]	32
15	there must be [adj] [prep]	28
16	there must be [num] [prep]	22
17	there must be [adv] [prep]	15
18	there must be [adv] [prep]	15
19	there must be more [prep]	14
20	there must be more [prep]	14
21	there must be hundreds [prep]	9
22	there must be lots [prep]	9
23	there must be hundreds [prep]	9
24	there must be lots [prep]	9
25	there must be plenty [prep]	8
26	there must be plenty [prep]	8
27	there must be thousands [prep]	7
28	there must be thousands [prep]	7
29	there must be [vb pp] [prep]	6
30	there must be [verb] [prep]	6