Hapana. Majibu mawili yote ni sahihi.

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Hapa mbili zote ni sahihi:
ninakwenda = ninaenda
nilikwenda = nilienda
nitakwenda = nitaenda
nimekwenda = nimeenda
ningekwenda = ningeenda

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Na hapa ni sahihi isipokuwa na "kw-" tu:
siendi (hakuna "sikwendi")
nikienda (hakuna "sikikwenda")
na kadhalika ...

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Ikiwa neno "kula" lina "ku", neno kwenda litaweza kuwa na "kw-", lakini si lazima.

Mara nyingi watu wazuri ambao walifanya masomo haya walijipinga au huenda walisahau majibu ambalo walikuwa wameshatumia katika masomo mengine. Ukiona jibu hili tena, andika "ungeenda" na fanya ripoti.

(Let me know if you want me to translate this into English.)