SN4 ""

No	Pattern	Freq
1	[prep] the problem is [that]	42
2	[prep] the problem is [that]	42
3	of the problem is [that]	41
4	of the problem is [that]	41
5	[conj] the problem is [that]	19
6	[coord] the problem is [that]	16
7	but the problem is [that]	10
8	but the problem is [that]	10
9	[verb] the problem is [that]	8
10	[vb base] the problem is [that]	7
11	think the problem is [that]	7
12	think the problem is [that]	7
13	[adv] the problem is [that]	6
14	[adv] the problem is [that]	6
15	[noun] the problem is [that]	6
16	[noun sg] the problem is [that]	5
17	and the problem is [that]	5
18	and the problem is [that]	5
19	the [adj] problem is [that]	121
20	the [adj] problem is [that]	101
21	the only problem is [that]	29
22	the only problem is [that]	29
23	the main problem is [that]	21
24	the main problem is [that]	21
25	the real problem is [that]	17
26	the real problem is [that]	17
27	the [num ord] problem is [that]	14
28	the second problem is [that]	8
29	the second problem is [that]	8
30	the basic problem is [that]	6