我可以帮你做功课吗？- I can help you with your homework.
你应该多加练习才能提高英语水平。- You should practice more to improve your English.
我们可以在周末去看电影。- We can go to the movies on weekends.
他必须按时交作业，否则就会扣分。- He must finish his homework on time, or he will be deducted points.
你不应该在在学校里吸烟。- You shouldn't smoke at school.
他可以用中文解释这个单词的意思。- He can explain the meaning of this word in Chinese.
我们可能会迟到，因为路上有点堵车。- We might be late because there is some traffic jam on the road.
你应该多和外国人交流，这样可以提高口语水平。- You should communicate more with foreigners to improve your speaking skills.
我们可以一起去旅游，这样会更有趣。- We can go on a trip together, which will be more interesting.
他不应该对老师发脾气，这样会影响自己的学习。- He shouldn't lose his temper with the teacher, as it will affect his studies.
这些句子涵盖了情态动词在表达能力、建议、义务、许可、建议和可能性等方面的用法。通过这些例句，学生可以更好地理解和掌握情态动词的用法。