Can you help me (to go /go)up again?请问怎么选?什么情况下动词前加to?

can you help me to () the classroom? CAN YOU HELP ME help me,can you you can help me? Can you help me? can you give me need medicine to help me? you can help me. you are very kind.合并成一句------ ------ ----------- ------------to help me. l want to learn english.Can you help me? she said p____ to me , can I help you Can you help me these books to school? How to learn Chinese well?Can you help me? Can you help me to ____ the classroom? Can you help me go to the sky? I have to this wheat.Can you help me? can you help me to singing?[同义句】 can you help me to sing?[同义句】 (Can you help me to sing?)的同义句是什么 can you help me to sing?[同义句】