| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [be] [v-ing] for [adj] year | 61 |
|
| 2 | [vb -s] [be] [verb] for two year | 12 |
|
| 3 | [verb] [be] [v-ing] for two year | 12 |
|
| 4 | [vb -s] [be] [v-ing] for two [noun] | 7 |
|
| 5 | [vb -s] [be] [v-ing] [prep] two year | 5 |
|
