from后加动词什么形式

from后加动词ing形式

例句

1、

The present controversy dates from 1986.

现在的这一争议始于1986年。

2、

Her interest in flowers stems from her childhood in the country.

她喜欢花起始于童年乡居期间。

3、

Creating new theory may start from the study on the important features of language.

理论创新可始于语言重要特征的研究。