| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] a considerable time | 17 |
|
| 2 | [verb] [prep] a considerable time | 17 |
|
| 3 | [verb] for a considerable time | 15 |
|
| 4 | [verb] for a considerable time | 15 |
|
| 5 | [vb pp] [prep] a considerable time | 7 |
|
| 6 | [vb infin] [prep] a considerable time | 6 |
|
