SN4 ""

No	Pattern	Freq
1	[prep] [art] problem is the	15
2	[prep] [art] problem is the	15
3	of [art] problem is the	9
4	of [art] problem is the	9
5	[art] [adj] problem is the	41
6	[art] [adj] problem is the	26
7	[art] [num ord] problem is the	11
8	[art] second problem is the	7
9	[art] second problem is the	7
10	[art] problem [adv] is the	5
11	[art] problem here is the	5
12	[art] problem here is the	5
13	[art] problem [adv] is the	5
14	[art] problem is [conj] the	73
15	[art] problem is that the	71
16	[art] problem is that the	71
17	[art] problem is [that] the	71
18	[art] problem is [verb] the	20
19	[art] problem is [adv] the	19
20	[art] problem is [to-vb] the	12
21	[art] problem is [prep] the	11
22	[art] problem is not the	11
23	[art] problem is not the	11
24	[art] problem is [not/n't] the	11
25	[art] problem is [prep] the	11
26	[art] problem is [adv] the	7
27	[art] problem is [v-ing] the	5
28	[art] problem is the [noun]	31
29	[art] problem is the [noun sg]	27
30	[art] problem is the [adj]	17