SN4 ""

No	Pattern	Freq
1	only [noun sg] be that	319
2	only [noun sg] [be] that	319
3	only [noun sg] [is] that	229
4	only [noun sg] is that	229
5	only [noun sg] [was/were] that	90
6	only [noun sg] was that	90
7	only difference [be] that	50
8	only problem [be] that	48
9	only thing [be] that	16
10	only trouble [be] that	15
11	only regret [be] that	11
12	only complaint [be] that	9
13	only consolation [be] that	9
14	only certainty [be] that	8
15	only worry [be] that	8
16	only proviso [be] that	7
17	only excuse [be] that	5
18	only condition [be] that	5
19	only disappointment [be] that	5
20	only hope [be] that	5
21	only disadvantage [be] that	5