| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] [adv prt] for [adj] [noun] | 100 |
|
| 2 | been [verb] [adv] for [adj] year | 56 |
|
| 3 | be [verb] [adv prt] for [adj] year | 56 |
|
| 4 | [be] [verb] [adv prt] for [adj] year | 56 |
|
| 5 | been [verb] [adv prt] [prep] [adj] year | 42 |
|
| 6 | [been] [verb] [adv prt] for [adj] year | 27 |
|
