SN4 ""

No	Pattern	Freq
1	could be [verb] for [noun]	146
2	could be [vb pp] for [noun]	141
3	could be [adj] for [noun]	33
4	could be [adj] for [noun]	31
5	could be use for [noun]	27
6	could be used for [noun]	27
7	could be say for [noun]	9
8	could be said for [noun]	9
9	could be liable for [noun]	7
10	could be liable for [noun]	7
11	could be make for [noun]	5
12	could be bought for [noun]	5
13	could be made for [noun]	5
14	could be buy for [noun]	5
15	could be [v-ing] for [noun]	5
16	could be for [art] [noun]	7
17	could be for [art] [noun]	7
18	could be for [adj] [noun]	5