SN4 ""

No	Pattern	Freq
1	have been [adv] [vb pp] in	553
2	has be [adv] [vb pp] in	209
3	had be [adv] [vb pp] in	142
4	have be [adv] [vb pp] in	139
5	have be well [vb pp] in	29
6	have be widely [vb pp] in	28
7	have be [adv] used in	28
8	to have be [adv] [vb pp] in	26
9	have be properly [vb pp] in	23
10	have be [adv] prepared in	23
11	have be extensively [vb pp] in	22
12	have be [adv] [vb pp] in	22
13	have be so [vb pp] in	18
14	have be successfully [vb pp] in	14
15	have be largely [vb pp] in	13
16	have be much [vb pp] in	13
17	have be [adv] discussed in	12
18	have be severely [vb pp] in	12
19	have be [adv] injured in	10
20	have be [adv] studied in	10
21	have be heavily [vb pp] in	10
22	have be completely [vb pp] in	9
23	have be badly [vb pp] in	9
24	have be seriously [vb pp] in	9
25	have be [adv] documented in	8
26	have be [adv] criticized in	7
27	have be [adv] reduced in	7
28	have be [adv] engaged in	7
29	have be particularly [vb pp] in	7
30	have be greatly [vb pp] in	7