She plays tennis every week. 
- Questions: Do or Does (for all verbs except 
be) 
Does she play tennis every week? 
- Negative: Don't or Doesn't 
She doesn't play tennis every week. 
 -For verbs that end in -O, -CH, -SH, -SS, -X, or -Z we add -ES 
- For verbs that end in a consonant + Y, we remove the Y and add -IES