SN4 ""

No	Pattern	Freq
1	[be] another problem	58
2	be another problem	58
3	[is] another problem	40
4	[verb] another problem	34
5	is another problem	33
6	[vb -s] another problem	11
7	[adv] another problem	11
8	was another problem	10
9	[was/were] another problem	10
10	[prep] another problem	9
11	[prep] another problem	9
12	[adv] another problem	9
13	have another problem	8
14	[vb base] another problem	7
15	's another problem	7
16	[vb past] another problem	6
17	yet another problem	5
18	have another problem	5
19	yet another problem	5
20	another [adj] problem	62
21	another [adj] problem	62
22	another major problem	18
23	another major problem	18
24	another potential problem	6
25	another potential problem	6
26	another problem [be]	62
27	another problem be	61
28	another problem [is]	54
29	another problem is	53
30	another problem [verb]	39