My Suggestions

ningĩri

  1. used with present and past tense signs to express the v. 'to be'; also together with the assoc. part. na to express v. 'to have'; 2. (rare) with -ngi- prefix; nĩngĩ-rĩ ũthiire it would have been better if you had gone, you would have done better to go; 3. (rare) with -nga- prefix; nĩnga-rĩ see under anga