YOU SAID:

i wonder if my dog actually knows english

INTO JAPANESE

私の犬は本当に英語を知っているのだろうか

BACK INTO ENGLISH

does my dog really know english

INTO JAPANESE

私の犬は本当に英語がわかりますか

BACK INTO ENGLISH

does my dog really understand english

INTO JAPANESE

私の犬は本当に英語が理解できますか

BACK INTO ENGLISH

can my dog really understand english

INTO JAPANESE

私の犬は本当に英語を理解できますか

BACK INTO ENGLISH

can my dog really understand english