Parallel Structure

I wondered whether to make an outline first or I should write the rough draft.

I wondered whether to make an outline first or to write the rough draft.

I wondered whether to make an outline first or writing the rough draft.

I wondered whether to make an outline first or that I should write the rough draft.

The three authors show the value of reading by using metaphors, they give detailed examples, and their personal experiences also. 

The three authors show the value of reading by using metaphors, examples, and their personal experiences. 

The three authors show the value of reading by using metaphors, examples, and personal experiences.

The three authors show the value of reading by using metaphors, giving detailed examples, and personal experiences. 

again on Tuesday

Tuesday again

I called again on Tuesday

I called again Tuesday

meeting face-to-face, sending e-mail, and to use voicemail.

meeting face-to-face, sending e-mail, and to use voicemail.

to meet face-to-face, to send e-mail, and to use voicemail

meeting face-to-face, sending e-mail, or using voicemail

but also disliked

but also disliking

but he also disliked

when the violins began to play

while listening to the violins play

during the violin music

vegetables steamed with no oil or seasoning

steamed vegetables

vegetables that are flavorless

howls at bicyclists

howling at bicyclists

she howls at bicyclists