SN4 ""

No	Pattern	Freq
1	be [vb pp] [to-vb] the [adj]	569
2	was [vb pp] [to-vb] the [adj]	381
3	is [vb pp] [to-vb] the [adj]	336
4	be used [to-vb] the [adj]	315
5	are [vb pp] [to-vb] the [adj]	234
6	been [vb pp] [to-vb] the [adj]	231
7	were [vb pp] [to-vb] the [adj]	209
8	be required [to-vb] the [adj]	100
9	be made [to-vb] the [adj]	96
10	be designed [to-vb] the [adj]	96
11	be needed [to-vb] the [adj]	88
12	be [vb pp] [to-vb] the new	84
13	be intended [to-vb] the [adj]	82
14	be expected [to-vb] the [adj]	79
15	being [vb pp] [to-vb] the [adj]	65
16	be taken [to-vb] the [adj]	52
17	be allowed [to-vb] the [adj]	52
18	be asked [to-vb] the [adj]	46
19	be forced [to-vb] the [adj]	42
20	be [vb pp] [to-vb] the whole	38
21	be [vb pp] to make the [adj]	37
22	be [vb pp] to represent the [adj]	34
23	be [vb pp] to meet the [adj]	33
24	be determined [to-vb] the [adj]	33
25	be invited [to-vb] the [adj]	33
26	be [vb pp] to determine the [adj]	32
27	be [vb pp] to replace the [adj]	30
28	be [vb pp] to give the [adj]	29
29	be [vb pp] [to-vb] the following	28
30	be [vb pp] to reduce the [adj]	27