300
Fill in the blank
The rule for present progressive is to conjugate the verb ________ and then add ________ for -ar endings and ___________ for -er and -ir. For verbs that are left with a vowel when you drop -er or -ir you add _________.
The rule for present progressive is to conjugate the verb "estar" and then add ando for -ar endings and iendo for -er and -ir. For verbs that are left with a vowel when you drop -er or -ir you add yendo.