Verb Study
All Verbs
Verb Quiz
undergo
undergo, underwent, undergone
To experience
經歷
Base Form
undergo
Simple Past
underwent
Past Participle
undergone
3rd Person Singular
undergoes
-ing Form
undergoing
Categories
Type 2: irr
Type 5: a-b-b
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2026-07-15
G
G
B
B
All Verbs
Verb Quiz
Verbs starting with "und"
4
undergo
understand
undertake
undo
Verbs ending with "rgo"
1
undergo
Verbs
10
try
turn
twist
type
undergo
understand
undertake
undo
unfold
unite
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