| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] have been [verb] for | 105 |
|
| 2 | [noun sg] have been [vb pp] for | 86 |
|
| 3 | [noun sg] have been [v-ing] for | 19 |
|
| 4 | [noun sg] have been developed for | 5 |
|
| 5 | [noun sg] have been develop for | 5 |
|
