SN4 ""

No	Pattern	Freq
1	[adj] about is [that]	13
2	[adj] about is [that]	13
3	[verb] about is [that]	12
4	about [noun] is [that]	122
5	about [pers pn] is [that]	61
6	about [noun sg] is [that]	61
7	about [pron] is [that]	61
8	about [noun prp] is [that]	37
9	about it is [that]	35
10	about it is [that]	35
11	about [adj] is [that]	26
12	about [det] is [that]	24
13	about [noun pl] is [that]	21
14	about this is [that]	18
15	about this is [that]	18
16	about them is [that]	11
17	about they is [that]	11
18	about he is [that]	8
19	about him is [that]	8
20	about [v-ing] is [that]	6
21	about [verb] is [that]	6
22	about that is [that]	5
23	about that is [that]	5
24	about is [that] [pron]	13
25	about is [that] [pers pn]	9
26	about is [that] [unc]	6
27	about is [that] [no cls]	6