| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] problem which [modal v] [be] | 20 |
|
| 2 | [adj] problem which [modal v] [be] | 16 |
|
| 3 | [art] problem which [modal v] [be] | 11 |
|
| 4 | [art] problem which [modal v] [be] | 11 |
|
| 5 | a problem which [modal v] [be] | 7 |
|
| 6 | a problem which [modal v] [be] | 7 |
|
| 7 | problem which [modal v] [adv] [be] | 11 |
|
| 8 | problem which [modal v] [verb] [be] | 8 |
|
| 9 | problem which [modal v] [vb infin] [be] | 8 |
|
| 10 | problem which [modal v] have [be] | 6 |
|
| 11 | problem which [modal v] [adv] [be] | 6 |
|
| 12 | problem which [modal v] have [be] | 6 |
|
| 13 | problem which [modal v] [not/n't] [be] | 5 |
|
| 14 | problem which [modal v] not [be] | 5 |
|
| 15 | problem which [modal v] not [be] | 5 |
|
| 16 | problem which [modal v] [be] [verb] | 37 |
|
| 17 | problem which [modal v] [be] [vb pp] | 32 |
|
| 18 | problem which [modal v] [be] solve | 5 |
|
| 19 | problem which [modal v] [be] [v-ing] | 5 |
|
| 20 | problem which [modal v] [be] solved | 5 |
|
