"Need" and "do need"
17796
"did shoot" vs "shot"
150465
"Do the needful" -- Why is it used instead of asking a question?
70026
What is the difference between "I want" and "I do want"?
114004
Where to use "must/should/might/may/could/shouldn't have "in a sentence?
97227
"Has" vs. "have"
5498
What's the difference between "should" and "could" (in the present tense)?
53989
"have" vs."have got" in American and British English
111354
'Will' vs 'Must'
66697
English questions and negation with *do* in syntax
14126
"Needs repairing" vs. "needs to be repaired"
119719
"Do" vs. "does" with multiple singular subjects
16297
When to use "have" and "have got"
101378
Explanation of "must needs"
113195
verbs with two direct objects
79781
"more than one does" or "more than one do"?
111125
help someone [do]/[to do]/[in doing]/[on doing] something?
2769
When to use "do" in phrases which are not questions?