如此大用英语说

The rain is so heavy that l have to stay at home.

It rains so hardly that I have to stay at home.过去式的话再改变时态。

like this big..

Such great progress 例1：没有你的帮助我不可能取得如此大的进步。 Without your help, I couldn't make so much progress. 例2：荷兰人和英国人在发展海上势力方面已经取得如此大的进步。 The Dutch and English had made so much progress in developing their sea power.

The rain is too heavy for me to go outside.The rain is so heavy that I have to stay at home

it rains so heavy that I have to stay at home。