No | Pattern | Freq | Relations |
---|---|---|---|
1 | [verb] been [v-ing] [prep] many years | 13 | |
2 | have been [v-ing] [prep] many years | 13 | |
3 | [vb past] been [v-ing] [prep] many years | 7 | |
4 | had been [v-ing] [prep] many years | 7 | |
5 | been [v-ing] [adv] [prep] many years | 5 |