SN4 ""

No	Pattern	Freq
1	has been [adv] [vb pp]	2632
2	had been [adv] [vb pp]	1985
3	have been [adv] [vb pp]	1540
4	have been [adv] [vb pp]	428
5	have been well [vb pp]	339
6	have been widely [vb pp]	279
7	to have been [adv] [vb pp]	231
8	have been successfully [vb pp]	170
9	have been badly [vb pp]	160
10	have been largely [vb pp]	152
11	have been fully [vb pp]	143
12	have been much [vb pp]	139
13	have been carefully [vb pp]	137
14	have been so [vb pp]	134
15	have been completely [vb pp]	132
16	have been [adv] used	117
17	have been properly [vb pp]	112
18	have been extensively [vb pp]	109
19	have been specially [vb pp]	106
20	have been previously [vb pp]	105
21	have been [adv] affected	104
22	having been [adv] [vb pp]	103
23	have been greatly [vb pp]	100
24	have been severely [vb pp]	92
25	have been further [vb pp]	84
26	have been deliberately [vb pp]	82
27	have been strongly [vb pp]	81
28	have been [adv] reduced	78
29	have been [adv] designed	75
30	have been better [vb pp]	74