| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] four year ['s] | 50 |
|
| 2 | [prep] four year ['s] | 50 |
|
| 3 | of four year ['s] | 22 |
|
| 4 | of four year ['s] | 22 |
|
| 5 | [conj] four year ['s] | 14 |
|
| 6 | [coord] four year ['s] | 13 |
|
| 7 | or four year ['s] | 12 |
|
| 8 | or four year ['s] | 12 |
|
| 9 | in four year ['s] | 10 |
|
| 10 | to four year ['s] | 10 |
|
| 11 | in four year ['s] | 10 |
|
| 12 | to four year ['s] | 10 |
|
| 13 | [adj] four year ['s] | 6 |
|
| 14 | four year ['s] [noun] | 71 |
|
| 15 | four year ['s] [noun sg] | 71 |
|
| 16 | four year ['s] duration | 28 |
|
| 17 | four year ['s] duration | 28 |
|
| 18 | four year ['s] time | 13 |
|
| 19 | four year ['s] time | 13 |
|
| 20 | four year ['s] imprisonment | 10 |
|
| 21 | four year ['s] imprisonment | 10 |
|
| 22 | four year ['s] [adj] | 6 |
|
| 23 | four year ['s] [adj] | 6 |
|
