语法：句中谓语动词是实义动词的陈述句，变否定形式在实义动词前加don'tdoesn't(主语是第三人称单数时用doesn't')。
likedoingsth/liketodosth喜欢做某事
ikestoeathamburgers.
句式：
—Do/sth.?—Yes，—No，'t/doesn't.
—Doyoulikesalad?—Yes，Ido./No，Idon't.
—Doeshelikepears?—Yes，hedoes./No，hedoesn't.
2.祈使句——Let''shaveicecream.
3.一般现在时的肯定句及否定句'tlikebananas.
don'tlikebroccoli.
oesn'tlikeicecream.
