If I declare myself to her, she gets intimidated in view of that she is very quiet in the classroom.

If I don't talk to her, she breaks me seeing that she is very jealous and thinks I am cheating on her with someone else.

If I get along with her, I fall in love with her besides that we have known each other for many years.

If you do not recycle those bottles, you could pollute the environment, obviously not now, in fact over the years you will realice.

If you have energy-efficient light bulbs, you may save a lot of energy at home.

If deforestation in forests continues, global warming will increase, nonetheless not many people are aware of this

If the drivers respected the red light of the traffic light, the traffic should be avoided, even though there are people in a hurry.

If there was no traffic in this city, I might get to my work faster.

If I won the lottery, I could go to visit Florida, in view of that there I can visit one of the Disney theme Parks.

If I hadn't cleaned my office yesterday, I may be doing it now, although I would have done it tomorrow too

If I had done my homework, I could not be so worried now, for that reason I would not have to be busy now.

If I had studied, I would have known the answer, however I failed the exam.