It’s important to practice speaking – out loud – as much as possible. If you would like to practice when there is nobody to speak with, you can use this YouTube video called 100 English Conversations Practice.
It’s a set of conversations between two people. When one person is quiet, read their words out loud. They speak at normal speed, so this will also give you practice speaking more quickly. It’s easier if you make the video the full size of your screen.
If you are with a friend who is also learning English, you can turn the sound off on your phone/computer, and you can each speak half of the conversation.