No | Pattern | Freq | Relations |
---|---|---|---|
1 | which [is] [adj] [prep] [verb] | 138 | |
2 | [pron] [is] useful [prep] [verb] | 17 | |
3 | which [be] useful [prep] [verb] | 9 | |
4 | which [is] useful [prep] [verb] | 6 | |
5 | which [is] useful [prep] [verb] | 6 | |
6 | [Wh det] [is] useful [prep] [verb] | 6 |