| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | four year [pers pn] | 63 |
|
| 2 | four years [pers pn] | 61 |
|
| 3 | four year he | 19 |
|
| 4 | four year i | 18 |
|
| 5 | four year we | 8 |
|
| 6 | four year it | 5 |
|
| 7 | four year they | 5 |
|
