1，now例如：hey are playing basketball now. 现在，他们正在打篮球。2，these days例如：We are making model planes these days. 这些天我们在做飞机模型。3，look例如：Look at the picture. The children are flying kites in the park. 看这幅图。那些孩子正在公园放风筝。4，listen例如：Listen， She is singing an English song. 听，她正在唱英文歌。5，at the moment例如：We're far from home. What are our parents doing at the moment? 现在，我们远离家了，我们的父母此刻在干什么呢？
