English
Grammar & Punctuation
Procedural
9–10 yrs
Verb Prefixes and Meaning
动词前缀与词义
Description
Use verb prefixes (dis-, de-, mis-, over-, re-) to change verb meaning, understanding how each prefix modifies the action expressed by the root verb
Mastery Evidence
- Add verb prefixes to change meaning, e.g. dis- (disagree, disappear), de- (decompose, defrost), mis- (misunderstand, misbehave), over- (overlook, overreact), re- (redo, reconsider)
- Select the appropriate verb prefix to express a specific meaning shift such as negation (dis-/mis-), reversal (de-/un-), repetition (re-), or excess (over-)
- Distinguish verb prefixes from noun/adjective prefixes and explain how adding a prefix to a verb changes the action described
Assessment Prompt
If you give your child a verb like "appear" and ask them to use a prefix to change its meaning, can they produce words like "disappear", "reappear", or "misrepresent" and explain what the prefix does?
Prerequisites 1
Prefixes (age 7+)
动词前缀(dis-、de-、mis-、over-、re-)建立在三至四年级所学的一般前缀知识之上;学习者必须先理解前缀如何修饰词根,再将其具体应用于动词
Unlocks 0
No follow-up topics