Put the verbs into the correct form ( for Conditional 1

Put the verbs into the correct form ( for Conditional 1 ) 1.if I ......( go back ) to the shop on Saturday , I .....( take ) 2.I ......( not go ) to the party if you ....... ( not come ) 3.if everyone .... ( help ) we .... ( finish ) cooking more quickly 4.if the phone ....( ring ) I .... ( not answer ) it 5...... (you pay) for the coffee if I .......( buy ) the cakes ? 6.Pete ..... (buy ) vegetables if he .... ( can ) choose the film 7.If we ....... ( not hurry) we .... ( miss )the first part of chef 8. If we ... ( tell ) them the truth , they ......(not believe ) us