Como se escribe clean, watch, study, buy, make, look en pasado continuo?

Respuesta : i was cleaningshe was watchingwe were studyinghe was makingthey were lookingExplicación : Afirmativa : sujeto + was / were + verbo con - ing Negativa : sujeto + was / were + not + verbo con - ing Interrogativa : was / were + sujeto + verbo con - ing los verbos se escriben con ing solo se le ahrga la regla anteriorel was es para primera persona(I) y el SHE, HE, ITel were es para THEY, YOU, WE.