YOU SAID:

Got friends but can't invite them

INTO JAPANESE

友達ができたが招待できない

BACK INTO ENGLISH

I made friends but I can't invite

INTO JAPANESE

友達になったけど招待できない

BACK INTO ENGLISH

I became a friend but I can't invite

INTO JAPANESE

友達になりましたが招待できません

BACK INTO ENGLISH

I became a friend but I can't invite