1.I spend half an hour on English every morning.
I spend half an hour (in) reading English every morning.
2.It takes me half an hour to read English every morning.
语法点：
sb spend some time on sth.= sb spend some time (in) doing sth.
It takes sb some time to do some sth.
中文：某人花多少时间做某事 或 做某事花了某人多少时间
希望能帮到你啦!