Nihon-go renshu shitai desu...

Nihonjin to isshoni nihongo wo renshu shitai desu kedo...

How can I say (below) in Japanese?
It's been six years since I spoke any Japanese...

rokunen kan nihongo wo hanashite imasen

ryoku nen maewa ... nihongo ga chotto dekimashita ga ... ima ... chotto... 

wakarimasen shimashita...

onegaishimasu..._/\_

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Good luck! ganbatte kudasai:)