| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] been [verb] for [det] year | 40 |
|
| 2 | [vb -s] [be] [verb] for [det] years | 40 |
|
| 3 | [vb -s] be [verb] for [det] year | 40 |
|
| 4 | [vb -s] [been] [verb] for [det] year | 40 |
|
| 5 | has [be] [verb] for [det] year | 38 |
|
| 6 | [vb -s] [be] [vb pp] for [det] year | 33 |
|
| 7 | [vb -s] [be] [verb] for many year | 27 |
|
| 8 | [vb -s] [be] [verb] for some year | 10 |
|
| 9 | [vb -s] [be] use for [det] year | 7 |
|
| 10 | [vb -s] [be] used for [det] year | 7 |
|
| 11 | [vb -s] [be] [v-ing] for [det] year | 7 |
|
| 12 | [vb -s] [be] known for [det] year | 6 |
|
| 13 | [vb -s] [be] know for [det] year | 6 |
|
