| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] [adv] far back as | 7 |
|
| 2 | [prep] least [adv] far back as | 5 |
|
| 3 | [prep] [adv] [adv] far back as | 5 |
|
| 4 | [prep] least [adv] far back as | 5 |
|
| 5 | [prep] [adv] [adv] far back as | 5 |
|
| 6 | [prep] [adv] as far back as | 5 |
|
| 7 | [prep] [adv] [adv] far back as | 5 |
|
| 8 | [prep] [adv] as far back as | 5 |
|
| 9 | [prep] [adv] [adv] far back as | 5 |
|
