SN4 ""

No	Pattern	Freq
1	have been [verb] to be [adj]	214
2	have been [verb] to be [adj]	188
3	have been [verb] to be [adv]	120
4	have been [verb] to be [adv]	111
5	have been [verb] to be [verb]	101
6	have been [verb] to be [vb pp]	83
7	have been [verb] to be [art]	78
8	have been [verb] to be [art]	78
9	have been [verb] to be [prep]	61
10	have been [verb] to be [prep]	61
11	have been [verb] to be a	48
12	have been [verb] to be a	41
13	have been [verb] to be in	30
14	have been [verb] to be in	30
15	have been [verb] to be the	28
16	have been [verb] to be the	28
17	have been [verb] to be [noun]	22
18	have been [verb] to be effective	21
19	have been [verb] to be effective	21
20	have been [verb] to be [v-ing]	18
21	have been [verb] to be more	14
22	have been [verb] to be more	14
23	have been [verb] to be of	14
24	have been [verb] to be of	14
25	have been [verb] to be [noun sg]	13
26	have been [verb] to be [adj -er]	12
27	have been [verb] to be associate	11
28	have been [verb] to be associated	11
29	have been [verb] to be as	8
30	have been [verb] to be as	8