Let me help you learn English为什么learn不用加to

Let me help you learn English为什么learn不用加to can you help me[to]learn English?canyou help me----- ------ Let me help you learn English.同义句转换 l want to learn english.Can you help me? Can you help me learn English?Please! Can you help me learn English well? Let me ___（help） you ____(learn) English根据括号填空 Can you help me to learn English?改为同义句 Can you ----- me ---- Can you help me to learn English?到底to不to? I can help you to learn English.这里使用to learn 还是learn? 翻译一下Do you know how to learn English well?Let me tell you .I can you help me to learn English?改为同义句 can you ________me___