| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] a [det] week | 143 |
|
| 2 | [noun prp] [prep] a [det] [noun] | 136 |
|
| 3 | [noun prp] [prep] a [adj] week | 28 |
|
| 4 | [noun prp] [prep] [art] [det] week | 21 |
|
