SN4 ""

No	Pattern	Freq
1	[adj] problem was the	49
2	[adj] problem was the	38
3	the problem was the	23
4	[art] problem was the	23
5	the problem was the	23
6	[art] problem was the	23
7	main problem was the	8
8	main problem was the	8
9	[det] problem was the	7
10	only problem was the	7
11	only problem was the	7
12	real problem was the	5
13	real problem was the	5
14	problem was [conj] the	34
15	problem was that the	31
16	problem was [that] the	31
17	problem was that the	31
18	problem was [verb] the	12
19	problem was [adv] the	9
20	problem was [prep] the	8
21	problem was [prep] the	8
22	problem was [to-vb] the	8
23	problem was [adv] the	6
24	problem was the [noun]	56
25	problem was the [noun sg]	46
26	problem was the [adj]	18
27	problem was the [adj]	15
28	problem was the [noun pl]	5
29	problem was the [noun prp]	5