| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] [verb] a | 19430 |
|
| 2 | [pron] [verb] a further | 159 |
|
| 3 | [modal v] [verb] a further | 155 |
|
| 4 | [pron] [modal v] [verb] further | 134 |
|
