Listen to the Example.

I wrote about all that John did. (I wrote about all that he did.)
I wrote about all that he did. (I wrote about all that he did.)
I am writing about all that John did. (I am writing about all that he did.)
I am writing about all that he did. (I am writing about all that he did.)
I will write about all that John did. (I will write about all that he did.)
I will write about all that he did. (I will write about all that he did.)

2.7 Substitute the word “he” for “John” in each sentence.

2.7a I wrote about all that John did. (I wrote about all that he did.)
I wrote about all that he did. (I wrote about all that he did.)

2.7b I am writing about all that John did. (I am writing about all that he did.)
I am writing about all that he did. (I am writing about all that he did.)

2.7c I will write about all that John did. (I will write about all that he did.)
I will write about all that he did. (I will write about all that he did.)

2.7d I wrote about all that John is doing. (I wrote about all that he is doing.)
I wrote about all that he is doing. (I wrote about all that he is doing.)

2.7e I am writing about all that John is doing. (I am writing about all that he is doing.)
I am writing about all that he is doing. (I am writing about all that he is doing.)

2.7f I will write about all that John is doing. (I will write about all that he is doing.)
I will write about all that he is doing. (I will write about all that he is doing.)

2.7g I wrote about all that John will do. (I wrote about all that he will do.)
I wrote about all that he will do. (I wrote about all that he will do.)

2.7h I am writing about all that John will do. (I am writing about all that he will do.)
I am writing about all that he will do. (I am writing about all that he will do.)

2.7i I will write about all that John will do. (I will write about all that he will do.)
I will write about all that he will do. (I will write about all that he will do.)