No | Pattern | Freq | Relations |
---|---|---|---|
1 | [vb mod] [be] useful for [adj] [noun pl] | 6 | |
2 | [modal v] [be] useful for [adj] [noun pl] | 6 | |
3 | [be] [adv] useful for [adj] [noun pl] | 5 | |
4 | [be] [adv] useful for [adj] [noun pl] | 5 | |
5 | [be] useful for [adj] [noun pl] [conj] | 5 |