SN4 ""

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