SN4 ""

No	Pattern	Freq
1	[verb] to be about [adj]	78
2	[vb pp] to be about [adj]	40
3	[vb past] to be about [adj]	15
4	seem to be about [adj]	13
5	[pers pn] to be about [adj]	11
6	[pron] to be about [adj]	11
7	[vb -s] to be about [adj]	11
8	[noun] to be about [adj]	9
9	thought to be about [adj]	9
10	estimate to be about [adj]	9
11	think to be about [adj]	9
12	[adj] to be about [adj]	8
13	estimated to be about [adj]	7
14	[adj] to be about [adj]	7
15	expect to be about [adj]	6
16	[noun sg] to be about [adj]	6
17	expected to be about [adj]	5
18	likely to be about [adj]	5
19	have to be about [adj]	5
20	seems to be about [adj]	5
21	likely to be about [adj]	5
22	used to be about [adj]	5
23	used to be about [adj]	5
24	[vb mod] to be about [adj]	5
25	[modal v] to be about [adj]	5
26	to be [verb] about [adj]	10
27	to be [vb pp] about [adj]	9
28	to be [adv] about [adj]	8
29	to be [adv] about [adj]	5
30	to be about [adj] [adj]	17