人教版英语七上第六单元第三节思维导图

help 做动词，意为“帮忙，帮助”，常用结构为 help sb to do sth 帮助某人做某事

help sb with sth. 帮助某人做某事 help sb with sth 帮助某人做某事

help oneself (to) “自便，随便（吃/喝..） can’t help doing sth. “ 忍不住做..”

作名词，意为“帮助”是不可数名词

thank sb for 意为“因..而感谢某人”，for 是介词，后接名词、代词或动名词，表感谢的原因或内容

Thank him for telling me. 谢谢他告诉我

Thank you for helping with my English.多谢你帮我学英语

“for＋一段时间”是介词短语，意为“..时间”，表示某事持续多长时间。对其提问要用 how long

—How long will you stay in Beijing? 你将在北京待多长时间？—For about three days. 大约三天

need 做实义动词

need 做情态动词时长用于否定句和疑问句中

做及物动词，意为“买，购买”，后接名词或代词做宾语

buy 后接双宾语，即用于 buy sb sth 或 buy sth for sb 结构，意为“给某人买某物”

I want to buy some apples.我想买点苹果。

My mother buys me new clothes every year. ＝ My mother buys new clothes for me every year.

sell 及物动词，意为“出售；销售；卖”固定搭配

sell sb sth ＝ sell sth to sb 意为“卖某物给某人”

They are going to sell me their books.＝They are going to sell their books to me.

want 意为“想要、需要”want sth 想要某物。I want an apple

want to do sth 想要做某事。I want to eat an apple.

want sb to do sth. 想要某人做某事。I want you to help me.