SN4 ""

No	Pattern	Freq
31	[art] major problem [is] that	13
32	[art] [adj -er] problem [is] that	8
33	[art] far problem [is] that	7
34	[art] further problem [is] that	7
35	[art] basic problem [is] that	6
36	[art] big problem [is] that	6
37	[art] basic problem [is] that	6
38	[art] additional problem [is] that	5
39	[art] first problem [is] that	5
40	[art] [adj -est] problem [is] that	5
41	[art] additional problem [is] that	5
42	[art] first problem [is] that	5
43	[art] problem [adv] [is] that	22
44	[art] problem [adv] [is] that	22
45	[art] problem here [is] that	16
46	[art] problem here [is] that	16
47	[art] problem [is] [adv] that	15
48	[art] problem [is] [not/n't] that	8
49	[art] problem [is] not that	8
50	[art] problem [is] not that	7
51	[art] problem [is] [adv] that	7
52	[art] problem [is] that [pron]	92
53	[art] problem [is] that [art]	80
54	[art] problem [is] that [art]	80
55	[art] problem [is] that the	74
56	[art] problem [is] that the	74
57	[art] problem [is] that [pers pn]	63
58	[art] problem [is] that [adj]	45
59	[art] problem [is] that [det]	44
60	[art] problem [is] that [noun]	35