Share Viewpoint U5 lesson A grammar
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Nasa had developed the material. (originally)
The material had originally been developed by Nasa.
The material had been originally developed by Nasa.
They are incorporating memory foam into products. (generally)
Memory foam is generally being incorporated.
Memory foam is being generally incorporated.
...which they are using in hospitals. ( increasingly)
...which are increasingly being used
...which are being increasingly used
They have saved countless lives. (apparently)
Countless lives have apparently been saved
