SN4 ""

No	Pattern	Freq
1	have been [vb pp] [to-vb] the [adj]	244
2	have [been] [vb pp] [to-vb] the [adj]	200
3	has [been] [vb pp] [to-vb] the [adj]	86
4	have [been] [vb pp] [to-vb] the [adj]	69
5	had [been] [vb pp] [to-vb] the [adj]	57
6	have [been] made [to-vb] the [adj]	27
7	have [been] used [to-vb] the [adj]	19
8	have [been] [vb pp] [to-vb] the [adj]	16
9	have [been] [vb pp] [to-vb] the [num ord]	14
10	have [been] shown [to-vb] the [adj]	11
11	have [been] designed [to-vb] the [adj]	11
12	have [been] [vb pp] [to-vb] the [det]	10
13	have [been] [vb pp] [to-vb] the [adj -est]	10
14	have [been] [vb pp] [to-vb] the first	9
15	have [been] [vb pp] [to-vb] the first	9
16	to have [been] [vb pp] [to-vb] the [adj]	9
17	have [been] [vb pp] [to-vb] the same	8
18	have [been] [vb pp] [to-vb] the [num]	8
19	have [been] chosen [to-vb] the [adj]	8
20	have [been] [vb pp] [to-vb] the same	8
21	have [been] forced [to-vb] the [adj]	8
22	have [been] [vb pp] [to-vb] the new	7
23	have [been] [vb pp] to meet the [adj]	7
24	have [been] invited [to-vb] the [adj]	7
25	have [been] [vb pp] to replace the [adj]	7
26	have [been] [vb pp] [to-vb] the new	6
27	have [been] [vb pp] to make the [adj]	6
28	have [been] done [to-vb] the [adj]	6
29	have [been] asked [to-vb] the [adj]	5
30	have [been] developed [to-vb] the [adj]	5