| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | course [be] [prep] [num] years [unc] | 48 |
|
| 2 | [noun] [be] [prep] [num] years [unc] | 48 |
|
| 3 | [noun sg] [be] [prep] [num] years [unc] | 45 |
|
| 4 | course [be] [prep] [num] years [unc] | 45 |
|
| 5 | [modal v] [be] [prep] [num] years [unc] | 6 |
|
| 6 | [vb mod] [be] [prep] [num] years [unc] | 6 |
|
| 7 | [be] [verb] [prep] [num] years [unc] | 74 |
|
| 8 | [be] [vb pp] [prep] [num] years [unc] | 73 |
|
| 9 | [be] sentence [prep] [num] years [unc] | 61 |
|
| 10 | [be] sentenced [prep] [num] years [unc] | 61 |
|
| 11 | [be] [adv] [prep] [num] years [unc] | 9 |
|
| 12 | [be] [adj] [prep] [num] years [unc] | 6 |
|
| 13 | [be] [adv] [prep] [num] years [unc] | 6 |
|
| 14 | [be] [adj] [prep] [num] years [unc] | 6 |
|
| 15 | [be] [prep] [num] years [unc] [noun sg] | 59 |
|
| 16 | [be] [prep] [num] years [unc] [noun] | 59 |
|
| 17 | [be] [prep] [num] years [unc] duration | 49 |
|
| 18 | [be] [prep] [num] years [unc] duration | 49 |
|
| 19 | [be] [prep] [num] years [unc] time | 9 |
|
| 20 | [be] [prep] [num] years [unc] time | 9 |
|
