Boya Chinese: lesson 25 sentences

I was asked by my teacher to create some sentences using net vocabulary from the text. Feedback and corrections are appriciated. Here we go:


di4 25 ke4 de ju4zi
Lesson 25 sentences.


wo3 mei2you3  nao4zhong1.(if you want to say "i don't have an alarm clock", no need to use "yi ge" ahead of the noun.)
I dont have a alarm clock.

wo3 bu2 hui4 shuo1 ying1 wen2.("bu4" will change its tone from 4 to 2 when it ahead of a fourth tone word, like bu2hui4  bu2shi4. ) yin1 wei4 wo3 dou1 wang4 le. Wo3 jin1 nian2 chong2 xin1 xue2.
I don't know (how to speak) english, because I forgot. I relearn this year.

rui4dian3 de kong1qi4 hen3 xin1xian1.
The Swedish air is very fresh.

Ni3 mei3 tian1 zai4 hu2 bian1 pao3 bu4 ma?
Do you run around the lake everyday?

Wo3 xu1 yao4 duan4lian4. Wo3 de shen1cai2 bu4 hao3 kan4.
I have to exercise. My body in not excellent (shape).

Wo3 bu4 jin4r.(I don't quite understand what you want to say, both Chinese and English...) Ni3 zhi3 neng2 yi2 ge4 ren2 qu4 pao3 bu4. (zhi3 neng2 means "have to". "yi1" will change to "yi2" when it ahead of another fourth tone word.)
I dont have strength. You (have to) go running by yourself.

jia1 li hen3 re4. Wo3 chu1 han4 le.(Well, re4 means hot. )
It's warm at home. Im sweating.