|
V2 |
| constitute an addition | ||||
|
V2 |
| have an increased effect | ||||
|
V1, V2, V3 |
| contribute to some cause | ||||
|
V2 |
| make an addition (to); join or combine or unite with others; increase the quality, quantity, size or scope of | ||||
|
V2, V3 |
| add to the very end |