SN4 ""

No	Pattern	Freq
1	be [vb pp] as part [prep]	630
2	be [vb pp] as part of	630
3	be [vb pp] as part of	630
4	be [vb pp] as part [prep]	285
5	be seen as part [prep]	101
6	been [vb pp] as part [prep]	77
7	was [vb pp] as part [prep]	70
8	is [vb pp] as part [prep]	61
9	are [vb pp] as part [prep]	47
10	were [vb pp] as part [prep]	46
11	being [vb pp] as part [prep]	42
12	be regarded as part [prep]	38
13	be used as part [prep]	37
14	be accepted as part [prep]	22
15	be included as part [prep]	19
16	be treated as part [prep]	17
17	be counted as part [prep]	13
18	be considered as part [prep]	11
19	be developed as part [prep]	10
20	be viewed as part [prep]	8
21	be introduced as part [prep]	7
22	be completed as part [prep]	7
23	be offered as part [prep]	7
24	be established as part [prep]	7
25	be made as part [prep]	6
26	be studied as part [prep]	6
27	be built as part [prep]	6
28	be taken as part [prep]	6
29	be sold as part [prep]	5
30	be supplied as part [prep]	5