Combine the following two sentences using the correct form of a verb that agrees with the subject "tree":
The tree had grown for many years. Its leaves were very large.
The tree, having grown for many years, had very large leaves.
Complete the following task based on the instruction and optional input provided.### Instruction:
Combine the following two sentences using the correct form of a verb that agrees with the subject "tree":

### Input:
The tree had grown for many years. Its leaves were very large.

### Output:
The tree, having grown for many years, had very large leaves.