SN4 ""

No	Pattern	Freq
1	[art] problem [be] that	379
2	[art] problem [be] that	379
3	the problem [be] that	375
4	the problem [be] that	375
5	[adj] problem [be] that	282
6	[adj] problem [be] that	194
7	only problem [be] that	48
8	only problem [be] that	48
9	[pos pn] problem [be] that	31
10	[pron] problem [be] that	31
11	main problem [be] that	30
12	main problem [be] that	30
13	[det] problem [be] that	24
14	[num] problem [be] that	23
15	one problem [be] that	23
16	one problem [be] that	23
17	[unc] problem [be] that	22
18	['s] problem [be] that	22
19	real problem [be] that	22
20	[num ord] problem [be] that	22
21	real problem [be] that	22
22	major problem [be] that	21
23	another problem [be] that	21
24	major problem [be] that	21
25	's problem [be] that	21
26	another problem [be] that	21
27	's problem [be] that	21
28	second problem [be] that	16
29	second problem [be] that	16
30	big problem [be] that	13