The main reason why you can speak spontaneously or fluently is that you are translating English words into your own language or you are thinking in your own language before speaking in English.
That is a big problem, especially when you are taking a speaking English exam because you will end up hesitating or confused about how to express your thoughts better.
All effective English speakers do not think in their own language but they think in English when they are speaking in English. They know in the first place that if they translate words into their own language before speaking in English, they will mess up.
So, in this video, I share the ways that I did to help me think in English whenever I speak in English. Watch the video so you will get an idea of how to speak in English. Improve your English skills by thinking in English.