| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] further investigation | 65 |
|
| 2 | [vb -s] far investigation | 26 |
|
| 3 | require far investigation | 21 |
|
| 4 | [vb base] far investigation | 13 |
|
| 5 | requires far investigation | 12 |
|
| 6 | warrant far investigation | 8 |
|
| 7 | need far investigation | 8 |
|
| 8 | [to-vb] far investigation | 8 |
|
| 9 | [vb infin] far investigation | 7 |
|
| 10 | [vb past] far investigation | 6 |
|
| 11 | needs far investigation | 6 |
|
| 12 | [v-ing] far investigation | 5 |
|
| 13 | deserve far investigation | 5 |
|
