( study the attachment ) 
1 ) If i were you I will start  now...
2 ) If Charles visited me  I would take him around the town...
3 ) If i am  at home i will do my homework...
4 ) If Sam has a hammer he would have lended  it to me..
5 ) If mary helped in the kitchen would get  more pocket money...
6 ) If you came  you would see her.. 
7 ) If we go to London we will see  the tower...
8 ) Susan will help you if she will have  time...
9) I would  tell you if you asked me..
10 ) He will wash  his hand if you give him some soap...
11) If you close the door nobody will see  you...
12 ) If we ate  too much we would get stomachache...
13 ) If you got up early you would catch the bus...
Special note : 
- In possible condition 'were' is preferably used instead of 'was' with all person ...
- The tense of Main clause depends on the tense of If - clause...
hope it helps ...☘️✨
