May's party won 318 seats in the election so with the support of the Democratic Unionist Party's 10 lawmakers, she has a slender working majority in the 650-seat parliament.
Labour leader Jeremy Corbyn, whose party has 262 lawmakers, said his party would submit an amendment to May's legislative plan in a an attempt to end cuts to the police and fire service and to give emergency and public sector workers a pay rise
"Today will be the first vote of the new parliament, as Labour puts forward our amendment," Corbyn said in a statement. He added that May "has no majority, no mandate and no plan for our country."
"Labour is ready and waiting to form a government with the policies and the plan to build a country that works for the many, not the few," Corbyn said.
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