there is a lot of grass in the garden grass不可数的话，用单数较好。祝你学习进步望采纳xixi
应该是IS,。A LOT OF 可以修饰可数和不可数，但是此处GRASS是不可数，因此THERE BE 句型中这话应该为there is a lot of grass in the garden
there is a lot of grass in the garden
