How to say this is so heavy a box that i can't carry it. in Japanese
1)
これはこれは(koreha) (exp) as for this/hey there/see here/i say重すno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verbぎるno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verb箱no dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verbなな(na) (prt) connects adj to noun/indicates emotion or emphasis/command/prohibitionのでので(node) (prt) that being the case/because of .../the reason is ..../given that...私私(watashi) (pn,adj-no) i/meにはには(niha) (prt) for/in order to運べno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verbないない(nai) (aux-adj) not/emphatic suffix。。(。) Japanese period "."
