| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] for [adj] [prep] years | 25 |
|
| 2 | be [verb] for [adj] of years | 24 |
|
| 3 | be [verb] for [num] [prep] years | 24 |
|
| 4 | be [verb] for [adj] of years | 24 |
|
| 5 | been [verb] for [adj] [prep] years | 23 |
|
| 6 | be [verb] for hundreds [prep] years | 13 |
|
| 7 | be [verb] for hundreds [prep] years | 13 |
|
| 8 | be [vb pp] for [adj] [prep] years | 13 |
|
| 9 | be [verb] for thousands [prep] years | 11 |
|
| 10 | be [v-ing] for [adj] [prep] years | 11 |
|
| 11 | be [verb] for thousands [prep] years | 11 |
|
| 12 | be use for [adj] [prep] years | 5 |
|
| 13 | be used for [adj] [prep] years | 5 |
|
