SN4 ""

No	Pattern	Freq
1	have been [vb pp] [to-vb] [det]	96
2	have been [verb] [to-vb] this	26
3	have been make [to-vb] [det]	13
4	have been [verb] [to-vb] some	13
5	have been made [to-vb] [det]	13
6	have been [verb] [to-vb] these	12
7	have been [verb] [to-vb] that	9
8	have been [verb] [to-vb] more	9
9	have been [verb] [to-vb] such	8
10	have been used [to-vb] [det]	7
11	have been [v-ing] [to-vb] [det]	7
12	have been use [to-vb] [det]	7
13	have been [verb] [to-vb] all	7
14	have been [verb] to do [det]	6
15	have been try [to-vb] [det]	6
16	have been trying [to-vb] [det]	6
17	have been asked [to-vb] [det]	5
18	have been proposed [to-vb] [det]	5
19	have been propose [to-vb] [det]	5
20	have been ask [to-vb] [det]	5