我們可以在一些動詞的後面使用 so 來避免重複受詞子句，尤其是在簡答。這些動詞中最常用的是 appear, assume, be afraid, believe, expect, guess, hope, imagine, presume, reckon, seem, suppose 和 think。例如：
- Denise thinks iPhone 7 is too expensive, and Diana thinks so too. (丹妮絲認為 iPhone 7 太貴，而戴安娜也認為是這樣) － 原句為 … and Diana thinks iPhone 7 is expensive.。
- A: Do I have to finish writing my composition by Saturday? (A：我一定要在週六之前寫好我的作文嗎？)
B: I’m afraid so. (B：恐怕是的) － 原句為 I’m afraid you have to finish writing your composition ….。 - A: D’you think Mary will get married to you someday? (A：你認為瑪麗將來有一天會嫁給你嗎？)
B: I hope so. (B：希望如此) － 原句為 I hope Mary will get married to me someday.。 - A: He must have missed the train. (A：他必定是沒趕上這班火車)
B: Yes, I suppose so. (B：是的，我猜想是這樣) － 原句為 I suppose he must have missed the train.。
我們可以在 be afraid, guess, hope 和 suppose 的後面使用 not 來避免重複否定的受詞子句。例如：
- A: Did you pass your exam? (你考試過關了嗎？)
B: I’m afraid not. (B：恐怕沒有) － 原句為 I’m afraid I didn’t pass my exam.。 - A: Will you be coming tomorrow? (A：你明天會來嗎？)
B: I guess not. (B：我想不會) － 原句為 I guess I won’t be coming tomorrow.。 - Gordon thinks he might fail in physics, but he hopes not. (戈登認為他的物理可能不及格，但他希望不會)