SN4 ""

No	Pattern	Freq
1	could be [vb pp] [prep] the	1596
2	could be [verb] by the	278
3	could be [verb] in the	273
4	could be [verb] to the	200
5	could be [verb] from the	135
6	could be [verb] on the	117
7	could be [verb] for the	90
8	could be [verb] as the	81
9	could be seen [prep] the	74
10	could be see [prep] the	74
11	could be make [prep] the	69
12	could be made [prep] the	68
13	could be [verb] with the	68
14	could be [verb] into the	60
15	could be used [prep] the	49
16	could be use [prep] the	49
17	could be [verb] at the	48
18	could be found [prep] the	37
19	could be find [prep] the	37
20	could be [v-ing] [prep] the	35
21	could be [verb] of the	34
22	could be [verb] through the	32
23	could be hear [prep] the	31
24	could be heard [prep] the	31
25	could be [verb] within the	25
26	could be achieve [prep] the	24
27	could be achieved [prep] the	24
28	could be do [prep] the	23
29	could be done [prep] the	23
30	could be explained [prep] the	20