SN4 ""

No	Pattern	Freq
1	[pron] have been [v-ing] about the	32
2	[pers pn] have been [v-ing] about the	29
3	[noun] have been [v-ing] about the	20
4	i have been [v-ing] about the	10
5	we have been [v-ing] about the	10
6	i have been [v-ing] about the	10
7	[noun prp] have been [v-ing] about the	10
8	we have been [v-ing] about the	10
9	[modal v] have been [v-ing] about the	6
10	[vb mod] have been [v-ing] about the	6
11	[noun sg] have been [v-ing] about the	5
12	have [adv] been [v-ing] about the	6
13	have been [v-ing] [pron] about the	10
14	have been [v-ing] [pers pn] about the	9
15	have been [v-ing] [noun] about the	8
16	have been [v-ing] [adv] about the	7
17	have been [v-ing] about [prep] the	5
18	have been [v-ing] about [prep] the	5
19	have been [v-ing] about the [noun]	48
20	have been [v-ing] about the [noun sg]	34
21	have been [v-ing] about the [adj]	13
22	have been [v-ing] about the [noun pl]	12
23	have been [v-ing] about the [adj]	6