YOU SAID:
Last night I dreamt I went to Manderley again.
INTO JAPANESE
昨夜私は再びManderleyに行ってきました夢見ていました。
BACK INTO ENGLISH
I had dreamed I went to Manderley again last night.
INTO JAPANESE
私は昨夜再びManderleyに行ってきました夢見ていました。
BACK INTO ENGLISH
I had dreamed I went to Manderley again last night.
That didn't even make that much sense in English.