| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | less than a year [prep] | 11 |
|
| 2 | less than a year [prep] | 11 |
|
| 3 | less [subord] a year [prep] | 11 |
|
| 4 | less [conj] a year [prep] | 11 |
|
