| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] than a [noun sg] ago | 54 |
|
| 2 | [adv] than a [noun] ago | 54 |
|
| 3 | [adv] than a week [adv] | 11 |
|
| 4 | [adv] than a week [adv] | 10 |
|
| 5 | [adv] [subord] a week ago | 8 |
|
| 6 | [adv] [conj] a week ago | 8 |
|
| 7 | [adv] than a week ago | 7 |
|
| 8 | [adv] than a week ago | 7 |
|
| 9 | [adv] than a week ago | 7 |
|
| 10 | [adv] than [art] week ago | 7 |
|
| 11 | [adv] than a week ago | 7 |
|
| 12 | [adv] than [art] week ago | 7 |
|
