Verb Study
All Verbs
Verb Quiz
research
research, researched, researched
To study systematically
研究
Base Form
research
Simple Past
researched
Past Participle
researched
3rd Person Singular
researches
-ing Form
researching
Categories
Type 2: reg
Type 5: a-b-b
50
1
2026-07-15
G
G
B
B
All Verbs
Verb Quiz
Verbs starting with "res"
10
rescue
research
reserve
resign
respect
respond
rest
restore
restrict
resume
Verbs ending with "rch"
2
research
search
Verbs
10
reproduce
request
require
rescue
research
reserve
resign
respect
respond
rest
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