If a stone thrown int

Question

If a stone thrown into a pond, the ripples will spread out from

the point where the stone hits the water.

請問為什麼這句的thrown 文法不對呢？如何改才對呢？

Answer 1

Favorite Answer

在 if .....的句子中 若後面那句是用未來式

前面的if.....句就要用現在式

so the correct answer is : If a stone throws into a pond, the ripples will spread out from the point where the stone hits the water.

Source(s): me, an English teacher