Verb Study
All Verbs
Verb Quiz
refer
refer, referred, referred
To mention or direct
提及;參考
Base Form
refer
Simple Past
referred
Past Participle
referred
3rd Person Singular
refers
-ing Form
referring
Categories
Type 2: reg
Type 5: a-b-b
45
1
2026-07-15
G
G
B
B
All Verbs
Verb Quiz
Verbs starting with "ref"
4
refer
reflect
refund
refuse
Verbs ending with "fer"
6
infer
offer
prefer
refer
suffer
transfer
Verbs
10
recover
recruit
redirect
reduce
refer
reflect
refund
refuse
regret
reinforce
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