英语语法速查
Its vs. It's
❌ The cat licked it's paw.
✅ The cat licked its paw.
规则："It's" = it is / it has（缩写）。"Its" = 它的（所有格）。
Their / There / They're
✅ They're going to their house over there.
规则：They're = they are。Their = 他们的（所有格）。There = 那里（地点）。
Affect vs. Effect
✅ The rain affected the game. The effect was significant.
规则：Affect = 动词（影响）。Effect = 名词（效果/结果）。
Who vs. Whom
❌ Whom is calling? ✅ Who is calling?
规则：Who = 主语（he/she）。Whom = 宾语（him/her）。技巧：尝试替换为"him"——若合适，则用whom。
主谓一致
❌ The data shows interesting trends.
✅ The data show interesting trends.（data是复数）
悬垂修饰语
❌ Walking down the street, the trees were beautiful.
✅ Walking down the street, I noticed the beautiful trees.
Fewer vs. Less
❌ Less people attended. ✅ Fewer people attended.
规则：Fewer = 可数名词（人、物）。Less = 不可数名词（水、时间）。