SN4 ""

No	Pattern	Freq
1	[art] problem is [that] the	71
2	the problem is [that] the	71
3	the problem is [that] the	71
4	[art] problem is [that] the	71
5	[adj] problem is [that] the	61
6	[adj] problem is [that] the	38
7	[det] problem is [that] the	10
8	another problem is [that] the	9
9	another problem is [that] the	9
10	only problem is [that] the	6
11	main problem is [that] the	6
12	only problem is [that] the	6
13	main problem is [that] the	6
14	[num ord] problem is [that] the	5
15	second problem is [that] the	5
16	second problem is [that] the	5
17	real problem is [that] the	5
18	real problem is [that] the	5
19	problem [adv] is [that] the	9
20	problem [adv] is [that] the	9
21	problem here is [that] the	6
22	problem here is [that] the	6
23	problem is [adv] [that] the	5
24	problem is [adv] [that] the	5
25	problem is [that] [subord] the	16
26	problem is [that] [conj] the	16
27	problem is [that] the [noun]	100
28	problem is [that] the [noun sg]	70
29	problem is [that] the [noun pl]	28
30	problem is [that] the [adj]	26