| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] four years [unc] | 48 |
|
| 2 | [prep] four years [unc] | 48 |
|
| 3 | of four years [unc] | 21 |
|
| 4 | of four years [unc] | 21 |
|
| 5 | [conj] four years [unc] | 14 |
|
| 6 | [coord] four years [unc] | 13 |
|
| 7 | or four years [unc] | 12 |
|
| 8 | or four years [unc] | 12 |
|
| 9 | to four years [unc] | 10 |
|
| 10 | to four years [unc] | 10 |
|
| 11 | in four years [unc] | 9 |
|
| 12 | in four years [unc] | 9 |
|
| 13 | [adj] four years [unc] | 8 |
|
| 14 | [num] four years [unc] | 6 |
|
| 15 | four years [unc] [noun sg] | 68 |
|
| 16 | four years [unc] [noun] | 68 |
|
| 17 | four years [unc] duration | 27 |
|
| 18 | four years [unc] duration | 27 |
|
| 19 | four years [unc] time | 11 |
|
| 20 | four years [unc] time | 11 |
|
| 21 | four years [unc] imprisonment | 10 |
|
| 22 | four years [unc] imprisonment | 10 |
|
| 23 | four years [unc] [adj] | 5 |
|
| 24 | four years [unc] [adj] | 5 |
|
