What should be the correct auxiliary verb, did or do?
37945
Should “If I ever had a philosophy” be in the past perfect?
31270
Where is the correct place to place adverbs in sentences?
62864
Asking a question: DO or ARE?
116263
The use of -s on third person verbs in a question starting with "does"
95245
When should I use "didn't" instead of "haven't"?
61934
Verb + object + verb
54834
Emphatic do-form with do as main verb
113195
verbs with two direct objects
508
"Have been doing" and "have done"
70026
What is the difference between "I want" and "I do want"?
14038
Which is the correct tense to use with 'by'?
92448
Tense to use with "would"
132617
Correct usage of was/were on the object of a sentence
5498
What's the difference between "should" and "could" (in the present tense)?
21794
Correct use of will & would?
111125
help someone [do]/[to do]/[in doing]/[on doing] something?
62469
Is it better to say "How do I..." or "How can I..."?