| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] a [adj] period | 418 |
|
| 2 | went [prep] a [adj] [noun] | 344 |
|
| 3 | went [prep] a [adj] [noun sg] | 334 |
|
| 4 | [vb past] [prep] a [adj] period | 32 |
|
| 5 | go [prep] a [adj] period | 29 |
|
| 6 | went [prep] a [adj] period | 8 |
|
| 7 | went [prep] [art] [adj] period | 8 |
|
| 8 | went [prep] a [adj] period | 8 |
|
