should ☊ like: có nên → →
Sollen wir ein Auto mieten? ☊ 
Chúng ta có nên thuê ô-tô không? ☊ (Lektion 42, Nr. 605) Wollen wir hier Pause machen und am Ufer entlang spazieren? ☊ Chúng ta có nên nghỉ ngơi ở đây và đi dạo dọc bờ sông? ☊ (Lektion 51, Nr. 721) Sollen wir darüber abstimmen? ☊ Chúng ta có nên biểu quyết cho vấn đề này không? ☊ (Lektion 100, Nr. 1671) Shall I add your name to the list? ☊ add ☊
The job would suit someone with a business background. ☊ background ☊
His arguments have a sound economic base. ☊ base ☊
'Shall I wait?' 'No, don't bother'. ☊ bother ☊
debate whether, what, etc...: The committee will debate whether to lower the age of club membership to 16. ☊ debate ☊
Shall I put the fire on? ☊ fire ☊
No building can stand without firm foundations, and neither can a marriage. ☊ firm ☊
The rumour is totally without foundation (= not based on any facts). ☊ foundation ☊
These stories have no foundation (= are not based on any facts). ☊ foundation ☊
She stood there, hesitating over whether or not to tell him the truth. ☊ hesitate ☊
I wonder if I should wear a coat or not. ☊ if ☊
interpret sth as sth: I didn't know whether to interpret her silence as acceptance or refusal. ☊ interpret ☊
'Shall we check it again?' 'Yes, let's.' ☊ let ☊
order sth for sb: Shall I order a taxi for you? ☊ order ☊
'Ought I to write to say thank you?' 'Yes, I think you ought (to).' ☊ ought to ☊
Shall I pencil you in for Friday? (= for a meeting) ☊ pencil sth/sb in ☊
Shall I pour? ☊ pour ☊
Shall I serve? ☊ serve ☊
Should I call him and apologize? ☊ should ☊
He asked me what time he should come. (= His words were: 'What time shall I come?') ☊ should ☊
Should we call a doctor or someone? ☊ someone ☊
Shall I take a gift to my host family? ☊ take ☊
Shall I tie the package or tape it? ☊ tie ☊
He seemed undecided whether to go or stay. ☊ whether ☊