⏰ 四大时态
一般现在:主+动(原/加s)
一般过去:主+动(过去式)
现在进行:主+be+doing
一般将来:主+will+动(原)
🔄 句型转换
否定:加 don't/doesn't/didn't
一般疑问:Do/Does/Did 提前
特殊疑问:Wh- + 一般疑问
祈使句:动词原形开头
📝 冠词用法
a + 辅音开头:a book, a cat
an + 元音开头:an apple, an egg
the = 特指:the sun, the book on the desk
🔢 可数与不可数
可数:apple→apples, child→children
不可数:water, milk, bread, info
量词:a glass of water, two pieces of bread