SN4 ""

No	Pattern	Freq
1	only [noun] is that	229
2	only [noun] [is] that	229
3	only [noun sg] [is] that	229
4	only [noun] [is] that	229
5	only difference [is] that	36
6	only difference [is] that	36
7	only problem [is] that	32
8	only problem [is] that	32
9	only thing [is] that	13
10	only thing [is] that	13
11	only trouble [is] that	9
12	only trouble [is] that	9
13	only complaint [is] that	8
14	only complaint [is] that	8
15	only worry [is] that	7
16	only worry [is] that	7
17	only certainty [is] that	6
18	only regret [is] that	6
19	only proviso [is] that	6
20	only proviso [is] that	6
21	only certainty [is] that	6
22	only regret [is] that	6
23	only consolation [is] that	5
24	only consolation [is] that	5
25	only disadvantage [is] that	5
26	only disadvantage [is] that	5