| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun] [noun sg] | 175109 |
|
| 2 | a [noun pl] [noun sg] | 3655 |
|
| 3 | a week [noun sg] | 123 |
|
| 4 | [art] weeks [noun sg] | 18 |
|
| 5 | a weeks [noun] | 10 |
|
