SN4 ""

No	Pattern	Freq
1	[adj] problem was the	42
2	[adj] problem was the	34
3	the problem was the	23
4	the problem was the	23
5	[art] problem was the	23
6	[art] problem was the	23
7	main problem was the	8
8	main problem was the	8
9	only problem was the	7
10	only problem was the	7
11	real problem was the	5
12	real problem was the	5
13	problem was [conj] the	32
14	problem was [that] the	29
15	problem was that the	29
16	problem was that the	29
17	problem was [verb] the	11
18	problem was [adv] the	9
19	problem was [to-vb] the	8
20	problem was [prep] the	8
21	problem was [prep] the	8
22	problem was [adv] the	6
23	problem was the [noun]	49
24	problem was the [noun sg]	40
25	problem was the [adj]	15
26	problem was the [adj]	13
27	problem was the [noun pl]	5