| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] ten years | 5 |
|
| 2 | [prep] [v-ing] ten years | 5 |
|
| 3 | [be] [v-ing] ten years | 5 |
|
| 4 | [prep] [v-ing] ten years | 5 |
|
| 5 | [v-ing] [prep] ten years | 15 |
|
| 6 | [v-ing] [prep] ten years | 15 |
|
| 7 | [v-ing] for ten years | 9 |
|
| 8 | [v-ing] for ten years | 9 |
|
| 9 | [v-ing] [adv] ten years | 6 |
|
| 10 | [v-ing] ten years [prep] | 7 |
|
| 11 | [v-ing] ten years [prep] | 7 |
|
| 12 | [v-ing] ten years of | 6 |
|
| 13 | [v-ing] ten years of | 6 |
|
