| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | least [num] years | 541 |
|
| 2 | least two year | 119 |
|
| 3 | least three year | 67 |
|
| 4 | least five year | 65 |
|
| 5 | least [num] year | 36 |
|
| 6 | least ten year | 32 |
|
| 7 | least one year | 31 |
|
| 8 | least four year | 17 |
|
| 9 | least twenty year | 17 |
|
| 10 | least 10 year | 15 |
|
| 11 | least 30 year | 14 |
|
| 12 | least fifteen year | 12 |
|
| 13 | least 20 year | 11 |
|
| 14 | least 2 year | 9 |
|
| 15 | least 5 year | 9 |
|
| 16 | least 25 year | 9 |
|
| 17 | least 50 year | 9 |
|
| 18 | least six year | 9 |
|
| 19 | least 15 year | 8 |
|
| 20 | least 3 year | 8 |
|
| 21 | least eight year | 7 |
|
| 22 | least 40 year | 5 |
|
| 23 | least 18 year | 5 |
|
| 24 | least seven year | 5 |
|
