The connectors and structures that link your ideas.

• quando + conjuntivo (futuro)when (something will happen) — future reference uses the conjuntivo, not presentQuando chegares, telefona-me = When you arrive, call me
• espero que + conjuntivoI hope that — wish triggers the subjunctiveEspero que venhas à festa = I hope you come to the party
• quero que + conjuntivoI want (someone) to — different subject triggers subjunctiveQuero que sejas feliz = I want you to be happy
• é importante que + conjuntivoit's important that — impersonal value judgementÉ importante que estudes = It's important that you study
• embora + conjuntivoalthough / even though — always with subjunctiveEmbora esteja cansado, vou sair = Although I'm tired, I'll go out
• para que + conjuntivoso that / in order that — purpose with different subjectFalo devagar para que percebas = I speak slowly so you understand
• antes que + conjuntivobefore (something happens)Liga-me antes que saias = Call me before you leave
• não acho que + conjuntivoI don't think that — doubt/negation triggers subjunctiveNão acho que seja boa ideia = I don't think it's a good idea
• talvez + conjuntivomaybe / perhaps — uncertainty triggers subjunctiveTalvez venha amanhã = Maybe I'll come tomorrow
• oxalá + conjuntivoI hope / if only (from Arabic; very pt-PT)Oxalá faça sol amanhã = I hope it's sunny tomorrow
• se + imperfeito do conjuntivo + condicionalhypothetical 'if I could… I would…' (spoken pt-PT often swaps the condicional for the imperfeito: comprava)Se pudesse, compraria uma casa = If I could, I'd buy a house
• desde que + conjuntivoas long as / provided that — conditionAjudo-te desde que tenhas tempo = I'll help you as long as you have time
• logo que + conjuntivoas soon as (future) — takes the conjuntivoLogo que saiba, digo-te = As soon as I know, I'll tell you
• assim que + conjuntivoas soon as (future) — like 'logo que'Assim que chegares, come = As soon as you arrive, eat
• no entantohowever / nevertheless — contrast connectorEstá frio; no entanto, vou correr = It's cold; however, I'll go running
• portantotherefore / so — result connectorEstou cansado, portanto vou dormir = I'm tired, so I'll sleep
• por issothat's why / for this reason — result connectorChoveu, por isso ficámos em casa = It rained, that's why we stayed home
• enquanto + indicativowhile / as long as (simultaneous, real time) — uses indicativeLeio enquanto espero = I read while I wait
• apesar de + infinitivo / nomedespite / in spite of — takes infinitive or noun (no conjuntivo)Apesar de estar cansado, fui = Despite being tired, I went
• o que / aquilo quewhat / that which — relative pronoun for thingsNão percebi o que disseste = I didn't get what you said