Склонить предложение "я пошла с мамой за покупками" в 12 временах.

I often go shopping with my mom.
I am going to the shop with my mom at the moment. 
I have gone shopping with my mom already.
I have been shopping with my mom since morning. 

I went shopping with my mom yesterday.
I was shopping with my mom yesterday at 5 o'clock.
I had already gone shopping with my mom.
I had been shopping with my mom for 2 hours when you called.

I will go shopping with my mom tomorrow. 
Tomorrow this time I will be shopping with my mom.
I will have gone shopping with my mum by next month. 
Next year I and my mom will have been shopping together for 10 years. (В следующем году будет 10 лет как мы с мамой ходим за покупками вместе - нужно добавить слово "вместе", а то звучит коряво)