Catch is one of the oddball English verbs. The past-tense is caught.
I catch a fish.
He catches a fish.
I caught a fish yesterday.
We have caught several fish already.
Catch is an irregular verb the past and past participle are both caught
The past tense is caught.
caught
Caught is the past tense and past participle of catch.
Had caught is the past perfect tense of catch.
Had caught is the past perfect tense of catch.
The past tense of catch is caught. The past participle of catch is also caught.
The present tense is "catch/catches". The past tense and past participle is "caught".
caught
Caught is the past participle of catch.
The past tense of "catch" is "caught." The past participle is also "caught." For example, "She caught the ball" (past tense) and "He has caught many fish" (past participle).
catches
The past participle of "catch" is "caught."
The past participle of "catch" is "caught."
Caught is already the past tense and past participle of the verb catch.