たくさん間違ったね。

たくさん間違ったね。

You have made many mistakes.

たくさん間違(まちが)ったね。

Takusan machigatta ne.

沢山 (たくさん)

a lot; lots; plenty; many; a large number; much; a great deal; a good deal; enough; sufficient; enough; too many; too much

間違う (まちがう)

to make a mistake; to be incorrect; to be mistaken

ね (ね、ねえ)

indicates emphasis, agreement, request for confirmation, etc.; is it so; hey; come on; listen; not

Readings: カン、ケン、あいだ、ま、あい

Meanings: interval, space

Readings: イ、ちが.う、ちが.い、ちが.える、 -ちが.える、たが.う、たが.える

Meanings: difference, differ