| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a considerable period [prep] | 26 |
|
| 2 | [art] considerable period [prep] | 26 |
|
| 3 | a considerable period [prep] | 26 |
|
| 4 | [art] considerable period [prep] | 26 |
|
| 5 | considerable period [prep] [noun] | 24 |
|
| 6 | considerable period [prep] [noun sg] | 24 |
|
| 7 | considerable period [prep] time | 22 |
|
| 8 | considerable period [prep] time | 22 |
|
