1. if they_ him he will help ( tell,told,tells)
    2. if he_ it, i will call the police ( steals,stole,steal)
    3. if i_ last in the exams everyone would laugh at me ( come,came,comes)
    4. if you disturbed,i_ report you to my teacher.
    5. i can ring him up,if i_ his number.
    6. i would lend it to you,if i_ a pen.

    please help me please!
    and show me the correct answers
    thanks​