SN4 ""

No	Pattern	Freq
1	[pers pn] have been at [noun]	132
2	[pron] have been at [noun sg]	91
3	[pron] had been at [noun]	85
4	[pron] have been at [noun prp]	58
5	he have been at [noun]	34
6	he have been at [noun]	33
7	she have been at [noun]	31
8	she have been at [noun]	30
9	i have been at [noun]	29
10	i have been at [noun]	29
11	[Wh pn] have been at [noun]	28
12	who have been at [noun]	27
13	who have been at [noun]	27
14	[pron] 've been at [noun]	24
15	[pron] have been at home	19
16	[pron] have been at home	19
17	[pron] have been at [noun pl]	18
18	[pron] 'd been at [noun]	17
19	[pron] have been at school	15
20	[pron] have been at school	15
21	[pron] has been at [noun]	14
22	[pron] have been at [noun]	13
23	they have been at [noun]	13
24	[pron] 's been at [noun]	12
25	they have been at [noun]	12
26	we have been at [noun]	11
27	we have been at [noun]	11
28	[pron] have been at work	10
29	[pron] have been at pains	10
30	[pron] have been at pain	10