SN4 ""

No	Pattern	Freq
1	has been [vb pp] [adv] for	63
2	had been [vb pp] [adv] for	57
3	have been [vb pp] [adv] for	56
4	have been [vb pp] aside for	26
5	have been set [adv] for	21
6	have been put [adv] for	18
7	have been [vb pp] specifically for	17
8	have been designed [adv] for	15
9	have been [vb pp] [adv] for	15
10	have been [vb pp] there for	12
11	have been used [adv] for	12
12	's been [vb pp] [adv] for	10
13	have been developed [adv] for	9
14	have been made [adv] for	9
15	have been [vb pp] especially for	9
16	have been [vb pp] away for	8
17	have been [vb pp] here for	8
18	have been [vb pp] solely for	8
19	have been [vb pp] forward for	7
20	have been [vb pp] specially for	7
21	have been [vb pp] together for	6
22	have been [vb pp] only for	6
23	have been taken [adv] for	5