SN4 ""

No	Pattern	Freq
1	[pron] have [been] this	26
2	[pers pn] have [been] this	16
3	[vb mod] have [been] this	16
4	[modal v] have [been] this	16
5	[ex0] have [been] this	10
6	there have [been] this	10
7	it have [been] this	10
8	it have [been] this	10
9	there have [been] this	10
10	may have [been] this	6
11	may have [been] this	6
12	[noun] have [been] this	6
13	have [adv] [been] this	18
14	have [adv] [been] this	14
15	have never [been] this	7
16	have never [been] this	7
17	have always [been] this	5
18	have always [been] this	5
19	have [been] [verb] this	329
20	have [been] [v-ing] this	183
21	have [been] [prep] this	171
22	have [been] [prep] this	171
23	have [been] [vb pp] this	137
24	have [been] in this	59
25	have [been] in this	59
26	have [been] do this	49
27	have [been] doing this	44
28	have [been] [adj] this	32
29	have [been] on this	25
30	have [been] on this	25