0
votes
2answers
3k views

“while at the same time” + -ing form?

In following sentence, I'm not sure if I have to use the -ing form or the infinitive. I wanted to get rid of X, while at the same time not assuming/ assume that... The -ing form sounds better, ...
2
votes
1answer
897 views

Mixed tense sentence + When clause

Is it legal to write something like this: When I'm trying to post a form system alerts me with a warning message. I've seen people use this kind of writing. EDIT I don't know why (perhaps ...