| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a long [noun] and | 180 |
|
| 2 | [prep] a long [noun sg] and | 179 |
|
| 3 | [prep] a [adj] period and | 60 |
|
| 4 | [prep] a [adj] period and | 54 |
|
| 5 | [prep] a long period and | 13 |
|
| 6 | [prep] a long period [conj] | 13 |
|
| 7 | [prep] a long period and | 11 |
|
| 8 | [prep] [art] long period and | 11 |
|
