collect →collects come →comes play →plays think →thinks sound → sounds drop →drops say → says like →likes
2.以s, sh, ch, x, o 结尾的动词，在词尾+ es
watch → watches guess →guesses wash → washes fix → fixes go → goes teach →teaches
Do you like apples?
Does he like apples?
Grandma gives Daming a present. Grandma doesn’t give Daming a present.
对比变化
I like apples. I don’t like apples..
He likes apples. He dosen’t like apples.
在一般现在时中，当主语是第三人 称单数时，谓语动词要用第三人称 单数形式，即常在动词原形后加-s 或-es。 Grandma gives Daming a present. Sam has lunch. It copies the other snake! Daming watches TV.
1.一般情况下，直接在动词后动词，变y 为i，再+ es study→ studies fly →flies try→tries
copy →copies
不规则变化动词
have → has
do → does
在一般现在时中，当主语是第三人称单数时，
疑问形式？？
当主语为第一二人称时，怎样变成疑问句？
句子前加 上do
I like football。 Do you like football? He plays football. Does he play football?
句子前加does后 还有什么变化
在一般现在时中，当主语是第 三人称单数时，否定形式？？
He likes music. (变成否定形式）
He doesn’t like music.