Correct verb form the children (play) in the open air if the ) better last sunday

The children would have played in the open air if the weather had been better last sunday

Astana - the capital of kazakhstan astana is a modern city with a favorable environment attractive for tourists and comfortable for residents and guests of the kazakh capital to live in. astana became the capital of new kazakhstan in 1998 for a variety of reasons. by the end of the xx century, the country’s former capital almaty was facing a heap of difficulties hampering further development of the city: the problem of overpopulation (over 1.500.000 inhabitants); traffic congestion; deteriorating environmental conditions. moreover, compact planning of the “southern capital” in practice, restricted modern development of the city.  the choice was made in favor of astana due to a number of decided advantages: vast urban area, favorable geographical location - close to the country’s main economic centers, significant demographic potential, well-developed transport infrastructure and the relatively favorable environment.