| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [prep] a [noun] of | 412 |
|
| 2 | but [prep] a [noun sg] of | 394 |
|
| 3 | [conj] [prep] a period of | 51 |
|
| 4 | [coord] [prep] a period of | 32 |
|
| 5 | but [prep] [art] period of | 11 |
|
| 6 | but [prep] [art] period of | 11 |
|
| 7 | but [prep] a period of | 6 |
|
| 8 | but [prep] a period of | 6 |
|
| 9 | but [prep] a period [prep] | 6 |
|
| 10 | but [prep] a period [prep] | 6 |
|
| 11 | but [prep] a period of | 6 |
|
| 12 | but [prep] a period of | 6 |
|
