1. in present continuous the verbs that finish in vowel 'e' we change the 'e' at the end and we add ing. when the verb finishes in 'Y' the ing is added at the end.
2. The sentences can be affirmative, negative or interrogative
2.1. Example: She plays soccer or she is playing soccer. She doesn't play soccer or she isn't playing soccer. Does she play soccer?, or, Is she playing soccer?
3. They have some rules
3.1. In present simple when we talk about: it, she or he, the verb changes and we add 'ies', 's' or 'es'
4. present continuous is subject + verb to be + verb ing + complement
5. We use them to describe current situations and/or short term o temporary actions, also we use them to describe long term or permanent actions
5.1. While present simple is for describing long term actions, we can use present continuous to describe things that are happening right now.
6. They both have structures
6.1. Present simple is subject + verb + complement